Question 138

The area of a right angled triangle having base 24 cm and hypotenuse 25 cm is:

Solution

In a right triangle with base 24 and hypotenuse 25
We can say altitude will be $$\sqrt{\ 25^2-24^2}=\sqrt{\ 49}=7$$
Therefore area will be :$$\frac{1}{2}\times\ 7\times\ 24\ =\ 84\ cm^2$$


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