Geometry 7-7 Circles and Sectors

Geometry 7-7 Circles and Sectors

Areas of Polygons

Multiple Choice

Find the area of a circle with a radius of 4

• $$4\pi$$  

• $$8\pi$$  

• $$16\pi$$  

• $$2\pi$$  

Multiple Choice

Find the area of a circle with a diameter of 24

• $$288\pi$$  

• $$48\pi$$  

• $$48\pi$$  

• $$144\pi$$  

• $$576\pi$$

Multiple Choice

Using the circle with a diameter of 24 from the last problem, what would the area of a semicircle (half the circle).

• $$72\pi$$  

• $$24\pi$$  

• $$36\pi$$  

• $$144\pi$$  

Multiple Choice

Using the circle with a diameter of 12 from the last problem, what would the area be if we only had 90 degrees of the same circle?

• $$9\pi$$  

• $$72\pi$$  

• $$36\pi$$  

• $$18\pi$$  

Multiple Choice

Area of a semicircle?

• $$36\pi$$  

• $$12\pi$$  

• $$18\pi$$  

• $$3\pi$$  

Multiple Choice

Area of a sector?

• $$36\pi$$  

• $$9\pi$$  

• $$18\pi$$  

• $$3\pi$$  

Multiple Choice

Area of a sector?

• $$36\pi$$  

• $$9\pi$$  

• $$24\pi$$  

• $$18\pi$$  

Multiple Choice

Find the area of sector MOX

• $$144\pi$$

• $$36\pi$$

• $$48\pi$$

• $$12\pi$$

• $$8\pi$$

Multiple Choice

Find the area of triangle MOX

• 72

• $$36\ \sqrt[]{3}$$

• $$18\ \sqrt[]{3}$$

• $$\sqrt[]{108}$$

Multiple Choice

Find the area of the segment (yellow)

• $$48\pi+36\ \sqrt[]{3}$$

• $$48\pi-36\ \sqrt[]{3}$$

• $$48\pi-72$$

• 72

Formative 7.7​

Homework