The area of this circle is 72 m²
what is the area of a 45° sector of this circle?

9 m²

Step-by-step explanation:

The area (A) of a sector of a circle is

A = area of circle × fraction of circle

  = 72 ×

  = 72 × = 9 m²

1d

2b

3 false

4 d

5 3200sq,ft

80+60+y=180

then divide the difference between 60 and y and add it to 180

so x =180 +( (y-60)/2)

x equals 200

step-by-step explanation:

8