All ISEE Upper Level Quantitative Resources
Example Questions
Example Question #11 : Geometry
Refer to the above figure. Which is the greater quantity?
(a)
(b)
Possible Answers:
(a) and (b) are equal
(b) is the greater quantity
It is impossible to determine which is greater from the information given
(a) is the greater quantity
Correct answer:
(a) is the greater quantity
Explanation:
Extend
as seen in the figure below:The measure of an exterior angle of a triangle is equal to the sum of the measures of its remote interior angles; specifically,
,
and
However,
, so, by substitution,
Example Question #11 : Plane Geometry
Given:
. . Which is the greater quantity?(a)
(b)
Possible Answers:
(a) and (b) are equal
(b) is the greater quantity
It is impossible to determine which is greater from the information given
(a) is the greater quantity
Correct answer:
(b) is the greater quantity
Explanation:
Below is the referenced triangle along with
, an equilateral triangle with sides of length 10:As an angle of an equilateral triangle,
has measure . Applying the Side-Side-Side Inequality Theorem, since , , and , it follows that , so .Also, since
, by the Isosceles Triangle Theorem, . Since , and the sum of the measures of the angles of a triangle is , it follows that
Substituting and solving:
.
Cheryl
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Palm Beach Atlantic University-West Palm Beach, Bachelor of Science, Business Administration and Management. Southern New Ham...
All ISEE Upper Level Quantitative Resources
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