Question

please answer my question
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Answer 1

Step-by-step explanation:

5) A=12

B=13

C=5

S= A+B+C / 2

S= 30/2 = 15.

Area of triangle = √S(S-A)(S-B)(S-C) According to herons formula.

Area of triangle = √ 15 ( 15- 12) (15-13) (15-5)

=> √ 15 × 3 × 2 × 10

=>. √3× 5 × 3 × 2 ×5

=> 15√2

So angular bisector is 15√2 divided by 2.

Angular bisector = 7.5√2

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