If ABC is an isosceles triangle with C = 90 and...

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If ΔABC is an isosceles triangle with ∠C = 90° and AC = 5 cm then AB is:

A. 5 cm

B. 10 cm

C. 5$$\sqrt 2 $$ cm

D. 2.5 cm

Answer: Option C

Solution(By Examveda Team)

According to question,
Given: ∠C = 90°
Triangles mcq solution image

Triangles mcq solution image

BC = AC = 5 cm (Isosceles triangle)
By Pythagoras theorem
AB² = AC² + BC²
AB² = 5² + 5²
AB² = 25 + 25
AB² = 50
AB = 5$$\sqrt 2 $$ cm

This Question Belongs to Arithmetic Ability >> Triangles

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