Question

Plzz help me with complete answer...

Answer 1

Answer:

diameter 1.4m

radius = 1.4/2 0.7

perimeter of circle = 2πr

= 2×22/7 ×0.7

44×0.1

= 4.4 m^2 answer

please mark as brainliest answer

Answer 2

Answer:

The perimeter of circumference of the circle is

$\pi d$

Since it is semi circle ur formula would be

$\pi \: r$

By using this formula u get the answer....!!