Question

do question no 39
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Answer 1

The area of Triangle BAC is 9*12/2= 54cm^2

Answer 2

Answer: 54cm²

Hiii...

ΔBAC is right-angled triangle which is right-angled at ∠A. The information we have about ΔBAC are:

Base = 9cm

Height = 12cm

Now, area of a triangle = 1/2 x Base x Height

                                       = 1/2 x 9 x 12

                                       = 9 x 6

                                       = 54cm²

∴ The area of ΔBAC is 54cm²

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