Question

A square and an equilateral have a side in common. If a side of the triangle is 15 mm long find the perimeter of the figure given alongside in cm.​

Answer 1

Answer:

Perimeter of the figure = 6*15 mm = 9 cm. (ans)

Answer 2

Answer:

7.5 cm

Step-by-step explanation:

Total perimeter=(perimeter of square- lengh of 1 side) + perimeter of triangle- lenght of 1 side)

=(4*15-15)+(15+15+15-15)

=45+30

=75mm

=7.5 cm

Hope this helps you