Question

helppp

Answer 1

hint:
we have:
\[\huge A\hat RV = 72\]
then we can write:
\[\huge 45 + 72 + R\hat VA = 180\]

Answer 2

117=180
or
189=180

Answer 3

hint:
if I subtract 45 and 72 from both sides, I get:
\[\huge R\hat VA = 180 - 45 - 72 = ...?\]

Answer 4

63

Answer 5

that's right!

Answer 6

63, Thanks

Answer 7

:)