Area of Regular Polygons

What is the area of this triangle?

• 24√3 m²

• 24 m²

• 96√3 m²

• 96 m²

What is the area of this triangle?

• 27√3 in²

• 27 in²

• 18 in²

• 18√3 in²

Tags

CCSS.HSG.SRT.D.9

Find the area of a regular triangle with a perimeter of 144 feet.

• 54 ft²

• 54√3 ft²

• 576 ft²

• 576√3 ft²

Find the area of this square.

• 100 m²

• 400 m²

• 80 m²

• 100√2 m²

Tags

CCSS.4.MD.A.3

Find the area of a square that has an apothem length of 12 cm.

• 288 cm²

• 144 cm²

• 144√2 cm²

• 576 cm²

Find the area of this hexagon.

• 54 cm²

• 54√3 cm²

• 36√3 cm²

• 36 cm²

Find the area of a regular hexagon with a perimeter of 60 ft.

• 150√3 ft²

• 150 ft²

• 60√3 ft²

• 300√3 ft²

A square has an area of 256 square units. If its width was one sixteenth as long and its length was 4 times as long, what would be its new area?

• 128 units²

• 1024 units²

• 16384 units²

• 64 units²

A triangle has an area of 75 square meters. If its width was two-fifths as long and its length was twice as long, what would be its new area?

• 150 m²

• 60 m²

• 300 m²

• 30 m²

A parallelogram has an area of 84√3 square inches. Find its new area if its base was three times as long and its height was twice as long.

• 1512 in²

• 252√3 in²

• 504√3 in²

• 168√3 in²