Area of circles and polygons and surface area

Find the area of the trapezoid.

• 22m²

• 26m²

• 32.5m²

• 22.5m²

Find the area of the parallelogram.

• 4.5m²

• 5m²

• 6.3m²

• 3.6m²

Which formula is used to find the area of this polygon?

• A = Πr²

• A = ½bh

• A = ½h(b_{1 +} b₂)

• A = bh

Find the area of the triangle.

• 330 units²

• 80 units²

• 294.8 units²

• 589.6 units²

Which formulas can be used to find the circumference of a circle?

• C = π r²

• C = π d

• C = 2 π r

• C = π r

Find the diameter of the circle to the nearest hundredth. π = 3.14

• 31.40m

• 1.59m

• 3.20m

• 3.18m

Find the area of the circle to the nearest tenth. π = 3.14

• 1133.5cm²

• 119.3cm²

• 4534.2cm²

• 59.7cm²

Find the area of the circle to the nearest hundredth. π = 3.14

• 530.66m²

• 81.64m²

• 163.28m²

• 2122.64m²

What does area mean?

• the distance around a shape
• half the distance around a shape
• the amount of space outside a shape
• the amount of space inside a shape

Tags

CCSS.HSG.GMD.A.1

Which measurement is best for determining the distance walking around the edge of a park?

• area
• perimeter

Tags

CCSS.HSG.GPE.B.7