The area of a triangle whose sides are of lengths 12 cms, 5 cms and 13 cms is:

Created: 1 year ago | Updated: 1 month ago

Updated: 1 month ago

ক

30cm²
খ

400cm²
গ

50cm²
ঘ

20cm²

529

ব্যাখ্যাঃ

Here,

Required Area of the Triangle $= \frac{1}{2} \times 5 \times 12 = 30 c m^{2}$ (Ans)

Najjar Hossain Raju

1 year ago

MCQ: 36 CQ: 15

Practice

ত্রিভুজের তিন বাহু দেওয়া থাকলে ক্ষেত্রফল

ত্রিভুজের তিন বাহু দেওয়া আছে :

মনে করি, △ABC এর BC = a, CA = b এবং AB = c । এর পরিসীমা 2s = a + b + c l AD ⊥ BC আঁকি।

ধরি, BD = x তাহলে, CD = a - x

△ABD এবং △ACD সমকোণী।

আবার,

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ক

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The area of a triangle whose sides are of lengths 12 cms, 5 cms and 13 cms is:

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