Question

plz answer its urgent who will answer corect i will follow and mark brainlist Ed Uld squa 10
Find the circumference of a semicircle if its radius is 42 m.
5. If the radius of a circle is 21 cm, then find its circumference and area.​

Answer 1

Answer:

Find the circumference of a semicircle if its radius is 42 m.

answer:- 264

circumference=2πr

so 2×π+42

second question I don't know