Question

16.In given figure, find BC, if the area of the triangle ABC is 36 cm? and the height AD is 3
cm.
1 3 cm
B
G
D
(A) 12 cm
(B) 24 cm
(C) 24 mm
(D) 24 m​

Answer 1

$Let \: \: \: \: \: BC=b.$

Area of triangle ABC=1/2 ×b×h

A (triangleABC) =1/2×BC×AD

36 = 1/2×b×3

36 ×2 = b×3

72 = b ×3

72/3 =b

b =24

$AD=24cm$

Hopeit helps you! .

Answer 2

Answer:

B) 24cm

Step-by-step explanation:

area of triangle=1/2bh

36cm²=1/2*BC*3

= 1.5*BC

36/1.5 =BC

therefore BC= 24cm

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