solve this please
Answer as a,b,c...
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Answer:
Hope it helps you.....
Step-by-step explanation:
area of a triangle = b X h /2
I)
b = 15cm ,
area = 87 sq cm
h= 2 X area /b
=2 X 87/15
=58/5
= 11.6 cm
ii)
h 31.4 mm
area =1256 sq mm
b= 2 X area /h
= 2 X 1256/31.4
=80 mm
iii)
b=22cm
area= 170.5 sq cm
h= 2 X area /b
= 2 X 170.5 /22
=15.5 cm