Question

Triangle PQR is a right angled triangle which is right angled at the vertex C. If the
measures of the side AB = 5, BC = 4 then find the measure of the side AB​

Answer 1

Answer:

Ac=3 cm

Step-by-step explanation:

By Pythagoras theorem,

ab²=ac²+bc²

5²=ac²+4²

ac²=25-16

ac²=9

:.ac=3 cm

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Answer 2

Answer:

You have typed the question wrong at the end it is not AB it is AC .

Step-by-step explanation:

Given,

AB =5,BC=4 ,AC=?

We know that, AB²-BC²= AC²

5²-4²=AC²

25-16=AC²

9=AC²

AC²=9

AC=√9

AC =3.

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