Since the triangle is isosceles we know that angle a is equal to angle c.
8y-7=73
8y=80
y=10
We also know that the sum of the interior angles in any triangle is 180 degrees.
73+73+6x+4=180
150+6x=180
6x=30
x=5
Yes it's true because:
TSR and RQP is alternating tringle
TSR & PQR is perpendicular
Answer:
this should be right
Step-by-step explanation:
angle a is 60 degrees
It is B 99.99% sure
hope its right :)