Answer:
√15sq.cm
Step-by-step explanation:
s=a+b+c/2
= 4+4+2/2
= 10/2
= 5cm
A(isosceles triangle) = √s(s-a)(s-b)(s-c)
= √5(5-4)(5-4)(5-2)
= √5×1×1×3
= √15sq.cm
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Answers & Comments
Answer:
√15sq.cm
Step-by-step explanation:
s=a+b+c/2
= 4+4+2/2
= 10/2
= 5cm
A(isosceles triangle) = √s(s-a)(s-b)(s-c)
= √5(5-4)(5-4)(5-2)
= √5×1×1×3
= √15sq.cm