All ISEE Lower Level Math Resources
Example Questions
Example Question #372 : Plane Geometry
Use the following triangle to answer the question:
Find the perimeter.
To find the perimeter of a triangle, we will use the following formula:
where a, b, and c are the lengths of the sides of the triangle.
Now, given the triangle
we can see that it has sides of length 8ft, 4ft, and 7ft. So, we get
Example Question #1321 : Isee Lower Level (Grades 5 6) Mathematics Achievement
An equilateral triangle has a perimeter of 42 cm. What is the length of one of its sides?
By definition, an equilateral triangle is a triangle with three equal sides. That is, the length of each side of the triangle is going to be the same.
In this problem, we know that the perimeter (the sum of all the lengths) is 42 cm.
Side 1 + Side 2 + Side 3 = 42 cm.
Since the sides are equal, we can write the following equation. one side of the triangle
To find the length of one side of the triangle, we would then divide 3 from both sides.
Remember that is the same as
Example Question #391 : Geometry
There is a four sided figure in which none of the lines run parallel to each other. Which of the following could be the appropriate term to describe the figure?
Trapezoid
Rectangle
Parallelogram
Quadrilateral
None of these
Quadrilateral
A key characteristic of a rectangle, parallelogram, and trapezoid is the fact that they each have at least one pair of lines that run parallel to each other. The only option that has lines that may not run parallel to each other is the quadrilateral, which must simply have four sides but has no specifications about parallelism.
Example Question #392 : Geometry
If a diagonal is drawn from one corner of a rectangle to the opposite corner, what 2 shapes result?
While drawing a line across a rectangle (so that it bisects 2 sides) can result in 2 quadrilaterals, squares, or rectangles, a line drawn from one corner to the furthest corner results in two triangles. Therefore, the correct answer choice is 2 triangles.
Example Question #393 : Geometry
How many lines of symmetry are there in a square?
A line of symmetry is a line that divides a polygon in half and each half is a mirror image of the other. In other words, you can fold the polygon over the symmetry line and each half matches up perfectly.
For a square there are four lines of symmetry. Two are from the diagonals of the square and two are from connecting the midpoints of the opposite sides.
Example Question #394 : Geometry
What is the distance between and ?
The distance formula is .
Let and :
Example Question #2 : How To Find Length Of A Line
What is the distance between and ?
The distance formula is given by .
Let and :
Example Question #3 : How To Find Length Of A Line
What is the distance between and ?
The distance formula is given by .
Let and :
Example Question #4 : How To Find Length Of A Line
What is the distance between the points and ?
The distance formula is .
Let and .
Plug these two points into the distance formula:
Example Question #3 : How To Find Length Of A Line
If a line with a length of 5 starts at the point , which of the following is NOT a possible end point?
Let , and let be the end point we are looking for.
Recall the distance formula:
Squaring the distance formula gives .
Plug this squared distance formula and solve for :
Substitute each response into this equation to see which one is false. The only response that doesn't work is .
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