Question

please answer both.... it's urgent ​

Answer 1

Answer:

answer for the given problem is given

Answer 2

10; given,

Area of circle =154cm²

$\pi \: r {}^{2} = 154$

22/7×r²=154

r²=154×7/22

r²=49

$r = \sqrt{49}$

r=7 cm.

hence , radius of circle is 7cm...

regards.......