Perimeter, area and circumferance

Find the perimeter of the rectangle.

• 38 cm.

• 19 cm.

• 84 cm.

• 42 cm.

Find the perimeter of the triangle.

• 120 ft.

• 32 ft.

• 40 ft.

• 20 ft.

What is the formula to find circumference?

•  $c=2\pi r$  

•  $c=\pi r$  

•  $c=2\pi d$  

Find the circumference. Round to the nearest tenth.

• 18.8 cm.

• 75.4 cm.

• 37.7 cm.

• not enough information

Find the AREA of this figure.

• $160\ ft.^2$

• 160 ft.

• $80\ ft.\ ^2$

• 1600 feet

Find the circumference of the circle.

• 113.04
• 1017.36
• 254.34
• 56.52

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04

Find the area of this triangle.

• 12 in²

• 22 in²

• 18 in²

• 24 in²

Calculate the area:

• 2530 yds²

• 2670 yds²

• 101 yds²

• 354 yds²