How to find the area of an acute / obtuse triangle - ACT Math
Card 0 of 9
The base of a triangle is 
 and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The base of a triangle is  and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:


If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:
If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
Compare your answer with the correct one above
The base of a triangle is 
 and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The base of a triangle is  and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:


If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:
If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
Compare your answer with the correct one above
The base of a triangle is 
 and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The base of a triangle is  and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:


If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:
If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
Compare your answer with the correct one above
The base of a triangle is 
 and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The base of a triangle is  and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:


If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:
If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
Compare your answer with the correct one above
The base of a triangle is 
 and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The base of a triangle is  and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:


If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:
If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
Compare your answer with the correct one above
The base of a triangle is 
 and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The base of a triangle is  and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:


If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:
If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
Compare your answer with the correct one above
The base of a triangle is 
 and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The base of a triangle is  and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:


If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:
If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
Compare your answer with the correct one above
The base of a triangle is 
 and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The base of a triangle is  and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:


If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:
If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
Compare your answer with the correct one above
The base of a triangle is 
 and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The base of a triangle is  and the area is 
. The height of the triangle is then decreased by 
. What is the final area of the triangle?
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:


If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
The formula for the area of a triangle is
 .
If the area is equal to 48 cm2 and the base is 8 cm, then the initial height is:
If 12 is decreased by 75% then
, and 
. The final height is 3 cm.
Therefore the final area is
.
Compare your answer with the correct one above