Question

11. If the length of ST is 7pi, and RS = 9, calculate TRS .

Answer 1

i assume angle right?

Answer 2

else its 30.99

Answer 3

is it a right angled triangle ?

Answer 4

assuming they are on straight line

Answer 5

TRS/360 * 2 * 9 * pi = arclength = 7 pi so TRS = 140.

Answer 6

lalay got it i think because 140 is one of the answers to choose

Answer 7

thanks....i have more

Answer 8

:):)