Question

answer the question​

Answer 1

Answer:

672 cm

Step-by-step explanation:

Heron's formula:

Area = √(s(s-a)(s-b)(s-c)) , where a, b, and c are the sides and s= half the perimeter

s = (26+28+30)/2 = 42

s-a = 16

s-b = 14

s-c = 12

area = √(42x16x14x12) = √112896 = 336

So, the total area is 672 cm

Hope its clear

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