Question

please answer ticked ones

Answer 1

1)area of the rectangle =690 m^2
length = 30m
breadth=?
let the breadth be 'b'
area of the rectangle =length x breadth
690=30xb
=>b=690/30=23m

7)π=22/7
radius=10.5 cm
circumference of the circle=2πr
=2*22/7*10.5=66