Quiz 27, 12.1 - 12.18

Question 1

Write the area formula for a square

Answer 1

A = s squared

Question 2

Write the area formula for a triangle

Answer 2

A = 1/2bh

Question 3

Write the area formula for a trapezoid

Answer 3

A = h(b1 + b2) divided by 2

Question 4

Write the area formula for a parallelogram

Answer 4

A = bh

Question 5

Write the area formula for a rectangle

Answer 5

A = lw

Question 6

Find the perimeter of a square with 4 1/4 ft. sides.

Answer 6

4 1/4 x 4 =

17 ft.

Question 7

Find the perimeter of a rectangle with l = 8.2 m; w = 7.5 m

Answer 7

8. 2 + 8.2 + 7.5 + 7.5 =

31. 4 m

Question 8

Find the circumference. r = 5ft.

Answer 8

C = d x pi
C = 10 x 3.14
C = 31.4 ft.

Question 9

Find the circumference. d = 7.5 cm

Answer 9

C = 7.5 x 3.14
C = 23.55 cm

Question 10

Find the area. trapezoid - b1 = 8 yd.; b2 = 6 yd.; h = 9 yd.

Answer 10

A = h(b1 + b2) divided by 2
A = 9(8 + 6) divided by 2
A = 9(14) divided by 2
A = 63 sq. yd.

Question 11

Find the area. parallelogram - b = 26 ft.; h = 19 ft.

Answer 11

A = bh
A = 26 x 19
A = 494 sq. ft.

Question 12

Fine the area. square - s = 3 1/2 ft.

Answer 12

A = 3 1/2 x 3 1/2
A = 12 1/4 sq. ft.