please help me fast ...urgent
I needed step by step explanation buddies please help
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check..............
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Answer: 1. 2.905cm^2
2. 85.7 cm
Step-by-step explanation:
1. A= sqrt [p/2× (p/2-a)×(p/2-b)×(p/2-c)]
A= sqrt( 8.44) = 2.905 cm^2
2. b= 2A/h = (2×300cm^2)/7.5cm
= 80cm
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