Chapter 11 & 12 Review

Question 1

Find the area of a sector of a circle with angle = 70 and radius = 25 in.

Accepted Answer

381.8 in2

Question 2

What is the area formula for a parallelogram?

Accepted Answer

bh

Question 3

The ratio of the side lengths of two cubes is 3:7. Find the ratio of their surface areas.

Accepted Answer

9:49

Question 4

What is the formula for Volume of a Pyramid?

Accepted Answer

1/3Bh

Question 5

What is the formula for Surface Area of a Cone?

Accepted Answer

πrl + πr2

Question 6

Find the area of a regular octagon with a perimeter of 96 cm.

Accepted Answer

119.3 cm2

Question 7

When two shapes are congruent, what is the scale factor?

Accepted Answer

1

Question 8

What is the formula for Surface Area of a Pyramid?

Accepted Answer

1/2Pl + B

Question 9

What is the formula for Surface Area of a Cylinder?

Accepted Answer

L + 2B, 2πrh + 2πr2

Question 10

When two shapes are neither similar nor congruent, what is the scale factor?

Accepted Answer

Different

Question 11

What is the formula for Volume of a Prism?

Accepted Answer

Bh

Question 12

What is the area formula for a trapezoid?

Accepted Answer

1/2h(b1 + b2)

Question 13

What is the main difference between Euclidean and Spherical Geometry?

Accepted Answer

Euclidean: Planes are flat, Spherical: Planes are Spheres

Question 14

What is the formula for Volume of a Cylinder?

Accepted Answer

πr2h, Bh

Question 15

When two shapes are similar, what is the scale factor?

Accepted Answer

The same

Question 16

What type of solid is this?

Accepted Answer

Oblique

Question 17

The ratio of side lengths of two cubes is 4:5. Find the ratio of their volumes.

Accepted Answer

64:125

Question 18

What is the formula for Volume of a Cone?

Accepted Answer

1/3Bh

Question 19

The volume of a cylinder is 62.8 cubic meters and the radius is 2 meters. Find the height.

Accepted Answer

5 m

Question 20

If the triangles are similar, what is the value of x?

Accepted Answer

7 cm

Question 21

What is the Volume formula for a Sphere?

Accepted Answer

4/3πr3

Question 22

What is the area formula for Rhombus or Kite?

Accepted Answer

1/2d1d2

Question 23

What is the formula for Surface Area of a Prism?

Accepted Answer

L + 2B

Chapter 11 & 12 Review

Questions 23

Chapter 11 & 12 Review

Questions 23