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Properties of Isosceles and Equilateral Triangles

In a ABC,AB...

Question

In a $△ A B C, A B = A C = 4 c m$ and $∠ A = 90^{o}$ . Calculate the area of $t r i a n g l e A B C$ .

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Solution

R.E.F image
AB=AC=4cm
Area= $\frac{1}{2} \times B a s e \times h e i g h t$
= $\frac{1}{2} \times 4 \times 4 = 8 c m^{2}$

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