Question

Find BC, if the area of the triangle ABC is 36 cm2 and the

height AD is 6 cm.​

Answer 1

Answer:

12 cm

Step-by-step explanation:

BC is the base

by the formula of area of triangle

1/2×b×h

h=6cm (given)

area=36cm²

1/2×6×b=36

3×b=36

b= 36/3

b= 12cm=BC

Answer 2

$\frac{1}{2}× AD × BC = Area$

$\frac{1}{2}× 6 × BC = 36$

$6 × BC = 36 × \frac{2}{1}$

$6 × BC = 72$

$BC = 72/6$

$= 12cm.$

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