Question

the base of an isoscles right traingle is 30 cm its area is
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Answer 1

Answer:

your answer is here

Step-by-step explanation:

If the hypotenuse is the base then the area of the triangle = 30^2/4 - 225 sq cm. If one of sides forming the right angle is 30 cm, then its area = 30*2/2 = 450 sq cm.

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Answer 2

Answer:

Isosceles triangle has two equal sides that's why we put two sides equal in given formula;

= $\frac{1}{2} (length)(width)$

= $\frac{1}{2}$ X 30 X 30

= 15 X 30

= 450$cm^{2}$