Quiz 29, Unit 8 (8.18 - 8.29)

Question 1

area of a circle

Answer 1

A = pir²

Question 2

perimeter of a square

Answer 2

P = 4s

Question 3

area of a triangle

Answer 3

A = 1/2bh

Question 4

circumference of a circle using the diameter

Answer 4

C = pid

Question 5

perimeter of a rectangle

Answer 5

P = 2l + 2w

Question 6

area of a trapezoid

Answer 6

h(b₁ + b₂)

A = ______

2

Question 7

area of a rectangle

Answer 7

A = lw

Question 8

Area of a square

Answer 8

A = s²

Question 9

Find the area of a triangle with an 11 inch base and a 6 inch height.

Answer 9

A = 1/2 bh

A = 1/2*11*6

A = 33 sq. in.

Question 10

Find the circumference of a circle with a 15 inch radius.

Answer 10

C = pid or C = pi2r

C = 3.14 * 2 * 15

C = 94.2 in.