Question

Find the diameter of the following raddi 3.4cm.​

Answer 1

Step-by-step explanation:

Answer

Given radius of circle is r=3.4 cm

as we know that

Perimeter of circle with radius r is 2πr and area of circle is πr

2

So perimeter of circle is 2π(3.4)=

7

22

×7=22 cm

Area of circle is π(3.4)

2

=

7×4

22×7×7

=38.4cm

2

Answer 2

Answer:

6.8cm

Step-by-step explanation:

3.4 radius

2×3.4cm

6.8cm