Question

1. Find the Area of the Sector:

6m
вст
2. Find the length of the missing side:
?
45°
8cm

Answer 1

`1) A=(9\pi )/(2) m^(2) ,2)c=10cm`

Explanation:

1)

`A=(\alpha )/(360) *\pi r^(2) \\\alpha =45, r=6\\A=(45)/(360) *\pi *6^(2)\\A=(1)/(8) *\pi *36\\A=(9\pi )/(2) m^(2)`

2)

a=6cm

b=8cm

c=?

a²+b²=c²

c²=6²+8²

c²=36+64

c²=100

c=10cm