English, asked by rk1961734, 4 months ago

the perimeter of a triangle is 40cm. to of ìt sides measure 12.9cm and 14.6cm. find the length of 3 sides

Answers

Answered by yashika1159

0

Explanation:

12.9 + 14.6 =27.5

40 - 27.5=

12.5

Answered by 292003pc

0

Perimeter = sum of all sides

40cm= 12.9+14.6+3rd side

40=27.5+3rd side

3rd side= 40-27.5

side=12.5cm

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