Question

in fig. 8.5 triangle ABC is an isosceles with AB = AC. find the value of X and Y


please don't give wrong Answer ​

Answer 1

Answer:

∠ABC and x are on a straight line

⇒ both angles add up to 180º

x = 180 - ∠ABC

x = 180 - 75 = 105º

∠ACB = ∠ABC = 75º

∠ACB and y are on a straight line

⇒ both angles add up to 180º

y = 180 - ∠ACB

y = 180 - 75 = 105º

hope it helps

Answer 2

Angle ABO+ x° = 180° (straight line)

75°+x°=180°

x°= 105°

Angle AOB+y°=180° ( straight line)

75°+y°=180°

y°=105°

Hence, y°=105° x°=105°