Question

The diagram shows a sector of a circle radius 10 cm. the angle is 135 degrees

find the perimeter of the sector giving your answer correct to 1 decimal place.


pleaseeee help me

Answer 1

Answer: 43.6

step by step explantion:

Answer 2

• 22.4 cm

Explanation:

Given

• r = 10 cm
• θ = 135°

Perimeter of sector is:

• P = 2r + 2πr(θ/360)
• P = 2*10 + 2(3.14)(135/360) = 22.4 cm (rounded)