# Geometry Review (Grade 7)

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## Geometry Review

1.

Manny drew a scale diagram of his classroom. His real classroom is 20 feet wide. Manny's drawing is 4 centimeters (cm) wide. What is the scale factor of the drawing?

- 1 cm = 4 feet
- 1 cm = 5 feet
- 1 cm = 20 feet
- 1 cm = 80 feet

2.

The length of each side of a square is 5 meters. If the lengths of the sides of the square are doubled, which statement is true about the new area of the square?

- The new area is 2 times the old area.
- The new area is 4 times the old area.
- The new area is 5 times the old area.
- The new area is 10 times the old area.

3.

A square pyramid is sliced parallel to its base and the top removed. When viewed from the side, what two-dimensional shape would be seen?

- square
- triangle
- trapezoid
- rectangle

4.

If the cone was sliced through the middle, perpendicular to its base, which two-dimensional shape would be viewed from the side?

5.

What is the area of the circle if BC = 6?

- [math]6pi[/math]
- [math]9pi[/math]
- [math]24pi[/math]
- [math]36pi[/math]

6.

If the area of the square is 100, which statement about the circle is true?

- It has an area of [math]5pi[/math]
- It has a radius of 10
- It has a diameter of 5
- It has a circumference of [math]10pi[/math]

7.

Find the values of [math]ang1, ang2, ang3[/math] when [math]ang4 = 52.7deg.[/math]

8.

Find the value of x when [math]ang1 = (5x + 10)deg[/math] and [math]ang3 = 70deg.[/math]

9.

Given the figure shown is a cube and CF measures 10 cm:

What is the area of CDEF?

What is the total surface area of the cube?

What is the area of CDEF?

What is the total surface area of the cube?

10.

Draw a triangle with angles of 30, 60, and 90 degrees. Could all three sides measure the same length? Explain.

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