Question

A triangle has side lengths of 3 m, 5 m and 4 m. The triangle is enlarged so that the larger
triangle is similar to the original and the scale factor is 4. Find the perimeter of the larger
triangle

Answer 1

Answer:

48 meters

Step-by-step explanation:

3*4 = 12

5*4 = 20

4*4 = 16

These are the sizes when the triangle enlarges with a scale factor of 4.

To find perimeter, you add the sides together

12+20+16 = 48

The perimeter is 48 meters

Answer 2

The perimeter of larger triangle is 48m.

Given that,

• Side length 3m , 5m and 4m.
• The scale factor is 4.
• We need to find the perimeter of larger triangle.

According to the scenario, calculation of the given data are as follows,

Perimeter of larger triangle =  4m $\times$ ( 3m + 5m + 4m)

= 4m $\times$ 12m

= 48 m

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