एक त्रिभुज का क्षेत्रफल ज्ञात कीजिए जिसकी दो भुजाएं 8सेमी और 11सेमी है त्रिभुज का परिमाप 32 सेमी है
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Answer:
two sides = 8cm
another side = 11 cm
by heron's formula
s =a+b+c/2
s = 8 + 8+ 11/2
s = 27/2
s-a = 27/2-8 =11/2
s-b = 27/2-8 =11/2
s-c = 27/2-11 =5/2
ar( ΔABC) =√s(s-a)(s-b)(s-c)
= √27/2×11/2×11/2×5/2
= √6335/16
= √6335/4 Ans
Step-by-step explanation:
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