Question

find the perimeter of triangle side 9cm​

Answer 1

$9 \times 3 = > 27 \: cm$

Answer 2

Answer:

See the picture for clear explanation...

Step-by-step explanation:

First number of side in a triangle 3..

Second. Unit of one side 9 cm

Formula of triangle

side×3

Which is 9×3

=27 cm

Unit is important.

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