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In the given figure, if AC = 12 cm, BC = 6 cm and AD = 8 cm, then area
AABC and the value of 'h' are.
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Answer:
first side = 12cm
second side = 6cm
third side = 8cm
perimeter = 3a
=12+6+8
=26cm
semi perimeter= 13cm
area (using heron's formula)=√s(s-a)(s-b)(s-c)
=√13(13-12)(13-8)(13-6)
=√13*1*5*7
=√455
=21.33cm² (approx.)
let h=x
area=1/2*b*h
21.33=1/2*6*x
21.33*2=6*x
42.66=6x
4266/6*10=x
71.1cm=x
Step-by-step explanation:
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