Two corresponding sides of two similar triangles are 6cm and 14cm. If the perimeter of the first triangle is 21cm, how do you find the perimeter of the second triangle?
1 Answer
Mar 19, 2016
The perimeter of the second triangle is 49cm
Explanation:
because the two triangles are similar their corresponding lengths will be in the same ratio
So
Side 1 divided by side 2 = perimeter 1 divided by perimeter 2
and thus if the unknown perimeter is x then
and
So the perimeter of the second triangle is 49cm
