Question

Find the perimeter of a sector of angle 45° of a circle with radius 7 cm.
16. In a box, there are 800 bulbs, out of which 780 bulbs are non-defective. One bulb is taken out at
random. Find the probability that the bulb is defective.
OR
A bag contains lemon flavoured candies only. Shalini takes out one candy without looking into the
bag. What is the probability that she takes out orange flavoured candy?
Section - II​

Answer 1

Perimeter = r + r + l

l = 45 ÷ 360 ×2 × pie × r

l = 5.5

PERIMETER = 7 +7+5.5

= 19.5