25. Assertion (A) Let a = 40 m,b = 24 cm and c = 32 cm be the sides of a AABC, then its area is 384 m 22 Reason (R) If a, b, c are the sides of a triangle and S = semiperimeter, then area of triangle is s(s – a)(s – b)(sc).
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Answer:
Assertion is true but the reason is false
Step-by-step explanation:
Given :- Sides of triangle = 40 cm, 24 cm and 32 cm
∴ The area of the triangle = 384 cm sq.
According to the Heron's formula,
Ar. of a triangle = s × (s-a) × (s-b) × (s-c)
Thus, the Reason is wrong.
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