Area and Perimeter of Composites

What is the formula for area of a circle?

• C=πd
• C=πd²
• A=πr²
• A= C/d

Tags

CCSS.7.G.B.4

What is the circumference of the circle?

• 25.12 in.
• 12.56 in.
• 50.24 in.

Tags

CCSS.7.G.B.4

What is the formula for area of a circle?

• C=πd
• C=πd²
• A=πr²
• A= C/d

Tags

CCSS.7.G.B.4

What is the formula for the area of a parallelogram?

• A=bh
• A=1/2 bh
• A=1/2 (b₁+b₂) h
• A=πr²

Tags

CCSS.6.G.A.1

What is the formula for the area of a triangle?

• A=bh
• A=1/2 bh
• A=1/2 (b₁+b₂) h
• A=πr²

Tags

CCSS.6.G.A.1

What is the area of the following shape?

• 52.02 km
• 26.01 km
• 15.3 km
• 7.65 km

Tags

CCSS.6.G.A.1

What is the area of the following shape? (use an exact value)

• 14π cm²
• 196π cm²
• 98π cm²
• 28π cm²

Tags

CCSS.7.G.B.4

The diagram shows the spot on a basketball court called the “key”. What is the area of the key? Use 3.14 for ∏ .

• 284.52 ft2
• 228 ft2
• 317 ft2
• 116.71 ft2

find the area of the circle with radius 3 cm below.

• 100 cm²
• 225 cm²
• 9 cm²
• 28.26 cm²

Tags

CCSS.7.G.B.4

• 490.63 cm²
• 480.63 cm²
• 470.63 cm²
• 460.63 cm²

Tags

CCSS.7.G.B.4