Choose the correct answer — task. Mathematics CBSE, Class 9.

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1. If

$ABC$ is a triangle of sides

$AB$

$=$ 13

$m$ ,

$BC$

$=$ 15

$m$ ,

$AC$

$=$ 12

$m$ , then the perimeter

$=$ ____________

$m$ .

41
40
39
20

2. If

$ABC$ is a triangle of sides

$AB$

$=$ 43

$m$ ,

$AC$

$=$ 45

$m$ ,

$BC$

$=$ 46

$m$ , then the perimeter

$=$ ____________

$m$ .

135
132
134
67

$1$

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