Mathematics (diagram Question)

ANSWER : A

ANSWER:D

ANSWER 😀

ANSWER: B

   Yz=Opp

   XY=Adj •Tan Q=OPP/Adj •Tan 30= yz/10 •yz= 10 Tan 30

Isosceles triangle’s angles add up to 180 degrees
also the sum of two sides are equal
ONE SIDE is = 30
therefore the opposite site is also 30
30 + 30=60
180-60=120