Answer:
x=5
m<R= 75°
m<O= 75°
m<F= 30°
a triangle is 180°
75°+75°=150°
180°-150°= 30°
because it is an isosceles triangle, angles O and R are equivalent. Subtract the sum of angles O and R from 180 to find the measurement of angle F
hope this helps!❤
