two angles of a triangle are equal and the third angle measures 90.find the mass of unknown angle
Answers
Answered by
1
Answer:
45°
Since the triangle is isosceles :-
= ∠A + ∠B + ∠C = 180°
= ∠A + ∠B + 90° = 180°
= 2∠A = 180° - 90° (∠A = ∠B)
= 2∠A = 90°
= ∠A = 90°/2
= ∠A = 45°
∠A and ∠B = 45°
Hope it Helps u
Answered by
0
two angles of a triangle are equal and the third angle measures 90.find the mass of unknown angle
Step-by-step explanation:
a and b 45
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