Question

find the unknown angles of the congruent triangles ​

Answer 1

Answer:

Angle ACB = 90°

Step-by-step explanation:

By applying Pythagoras theorem to triangle ACB, we get

AB² = AC²+BC²

(6)² = (3)² + (5)²

36 = 9 + 25

36 = 36

Hence, Triangle ACB is right angled Triangle.

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