The length of one side of a right triangle is 40cm and the length of its hypotenuse is 50cm. Find thelength of its 3rd side.
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30cm.
Step-by-step explanation:
Given :
Hypotenuse of a right angled triangle 50cm.
One side is 40cm.
Find the third side
By "Pythagoras theorem" :
h² = p² + b²
Where,
- h denotes the height
- p denotes the one side i.e., 40cm.
- b denotes the third side.
Substitute the given values :
→ 50² = 40² + b²
→ 2500 = 1600 + b²
→ 2500 - 1600 = b²
→ 900 = b²
→ √900 = b
→ 30 = b
The third side is 30cm.
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