Area of Semi-Circles and Quarter Circles

What is the area of this semi circle?

• 100.55 square cm

• 25.12 square cm

• 15.3 square cm

• 12.6 square cm

what is the area of this semicircle ?

d = 8 cm

Remember what you need for your formula, diameter isn't it.

• 10.48 cm²

• 18 cm²

• 20.96 cm²

• 25.12 cm²

Find the area of the quarter circle.

• 58.88 cm²

• 78.5 cm²

• 84.6 cm²

• 157 cm²

Fins the area of this quarter circle with a radius of 6 cm.

• 56.52 cm²

• 113.04 cm²

• 28.26 cm²

• 37.68 cm²

• 39.25 ft²

• 78.5 ft²

• 44.2 ft²

• 25.12 ft²

Find the area of this trapezoid.

• 26 ft²

• 20 ft²

• 52 ft²

• 40 ft²

Tags

CCSS.6.G.A.1

What is the area of this trapezoid?

• 320 square centimeters

• 416 square centimeters

• 448 square centimeters

• 560 square centimeters

Tags

CCSS.6.G.A.1

What is the area of this square? (Units are feet) 

Think back to unit 1 to remember how we multiply fractions. 

I would like you to turn your mixed numbers into improper fractions and THEN multiply. 

•  $2\ \frac{7}{9}\ ft^2$  

•  $1\ \frac{5}{9}\ ft^2$  

•  $2\ \frac{4}{6}\ ft^2$  

What is 42% of 65?

I want to see proportions for this one. Then how you solved the one step equation. You can use a calculator for multiplication and division.

• 23.7

• 25.3

• 27.3

What is 23% of 65?

I want to see proportions for this one. Then how you solved the one step equation. You can use a calculator for multiplication and division.

• 14.95

• 15.95

• 16

• 13.75