Find area of triangle with sides 5 cm 5cm and 4 cm
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Answer: 1/2×b ×h
1/2× root 21×4
2 root 21
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Step-by-step explanation:
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Answer:
S = a+b+c/2 = 5+5+4/2 = 14/2 = 7
A = rt[(7-5)(7-5)(7-4)]
= rt( 12)
= 2rt 3 cm
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