7. ABC is a right angled triangle in which ZA=90°
and AB=AC. Find Z B and Z C.
Answers
Step-by-step explanation:
Given: ∆ABC is right angle triangle
AB=AC
Angle A is 90°
To. find:
Angles B and C
proof : In ∆ ABC
angle A+ angle B+angle C= 180°. (angle sum property, sum of all angles in triangle equals to 180)
90°+angle B +angle C = 180°
90°+ angle B + angle B =180. ( angle opposite to equal side are equal , AB=AC so angle B and angle
C are equal)
90°+ 2× angle B= 180°
2× angle B= 180 - 90°
2× angle B = 90
angle B = 90/2
angle B = 45°
angle B and angle c are equal that's why both are 45 degree
By : PURNANK JADHAV
Answer:
hope it helps
regards
Akash Kumar