Question

Find segment length QR

10


5


12


20

Answer 1

@ganeshie8

Answer 2

is this the same with the other arc we did ?

Answer 3

do you see two triangles in the given diagram ?

Answer 4

yes

Answer 5

how big is the outer large triangle compared to the inner smaller triangle ?

Answer 6

14?

Answer 7

Notice the inner smaller triangle has one side length of `7`
and the outer large triangle has a measure of `14`

so looks like the outer triangle has `twice` the lengths as the sides of inner triangle ?

Answer 8

yes

Answer 9

i just noticed that

Answer 10

In light of above observation,
compare the smaller trianlge side QR with the larger triangle side TS

Answer 11

you want to find the length of QR
and you know that TS = 20

so can you guess the length of QR ?

Answer 12

just take a good look at the given diagram and try to make a guess :)

Answer 13

10?

Answer 14

brilliant! yes!

Answer 15

20/2 = 10

the smaller triangle's sides are half of corresponding sides of the outer bigger triangle

Answer 16

wow you have brought my knowledge out i feel smart

Answer 17

i see you're super good wid geometry :) keep it up !