Question:
একটি সমকোণী এিভুজের অতিভুজের মাপ 13 সে.মি. এবং একটি বাহুর মাপ 5 সে.মি. এিভুজটির কালি নির্ণয় কর।
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Answer:
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Answer:
(H)² = (B)² + (P)²
(13)² = (5)² + (P)²
169 = 25 + P²
169-25 = P²
144 = P²
under root 144 = P
12 = P
Hence hieght of the triangle is 12cm.
Now, area of triangle = 1/2 * base * hieght
= 1/2 * 5 * 12
= 1*5*6 (2 cancells 12 by 6)
=30cm²
So, area of triangle is 30cm² .
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