Question

Find the unknown length x -​

Answer 1

Answer:

X =17cm

Step-by-step explanation:

In a right angled triangle :

(Hypt)²=(Base)²+(Perp)² (By Pythagoras Theorem)

(x)²=(15)²+(8)²

x²=225+64

x²=289

x²= (17)²

x= 17cm

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Answer 2

x = 17cm.

Given :-

• In ΔABC, m∠ABC = 90°
• AB = 15cm, BC = 8cm

To Find :-

• The length of x.

Solution :-

As we know that,

In ΔABC, m∠ABC = 90°

Applying Pythagoras theorem,

AC² = AB² + BC²

=> AC² = 15² + 8²

=> AC² = 225 + 64

=> AC² = 289

=> AC = √289

=> AC = 17cm

Hence,

• The length of x is 17cm.