Area of Circles & Composite Shapes

Which shape has more shaded area?

• Shape 1 - one big circle

• Shape 2 - 4 small circles

• They have the same shaded area

What is the area of the shaded region?

• $625\ ft^2$

• $156.25\Pi\ ft^2$

• $625\ -\ 156.25\Pi\ \ ft^2$

• $469\Pi\ ft^2$

Tags

CCSS.HSG.GMD.A.1

CCSS.HSG.GMD.A.3

Find the area of the circle

• $128\Pi$ $in^2$

• $32\Pi\ in^2$

• $16\sqrt{2}\Pi\ in^2$

• $64\sqrt{2}\Pi\ in^2$

Find the circumference and area

• $C=12\Pi\ cm,\ A=36\Pi\ cm^2$

• $C=6\Pi\ cm,\ A=36\Pi\ cm^2$

• $C=18\Pi\ cm,\ A=\ 81\Pi\ cm^2$

• $C=\ 9\Pi\ cm,\ A=81\Pi\ cm^2$

Find the circumference and area

• $C=32\Pi\ u,\ A=256\Pi\ u^2$

• $C=16\Pi\ u,\ A=256\Pi\ u^2$

• $C=\frac{16\sqrt{3}}{3}\Pi\ u,\ A=\frac{256\sqrt{3}}{3}\Pi\ u^2$

Find the area of the shaded reagion.

• $42.25\Pi-30\ in^2$

• $12.25\Pi\ in^2$

• $42.25\Pi\ -\ 60\ \ in^2$

Find the area

•  $48\sqrt{3}\ cm^2$  

•  $144\sqrt{3}\ cm^2$  

•  $288\sqrt{3}cm^2$  

•  $144\sqrt{2}cm^2$  

Find the area

• $48\sqrt{3}\ u^2$

• $144\sqrt{3}\ u^2$

• $96\sqrt{3}\ u^2$

Find the area

• $225\sqrt{3}m^2$

• $450\sqrt{3}m^2$

• $675\sqrt{3}m^2$

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

• $150\sqrt{3}ft^2$

• $300\sqrt{3}\ ft^2$

• $50\sqrt{3}\ \ ft^2$