Question

perimeter of triangle ABC is 18 cm find EF​

Answer 1

Step-by-step explanation:

The answer for your question is 3cm

Answer 2

Answer:

3 cm

Step-by-step explanation:

Hello good morning

As given perimeter of the figure triangle ABC is 18cm.

It is an equilateral triangle so AB is 6 cm BC is 6 cm and CA is 6 cm.

Now we have to find EF so it will be half of 6 because EFC is also an equilateral triangle as shown in the figure.

Half of 6= 3 cm

By this we can conclude that EF is of 3 cm and if we extract the perimeter it will be FE+EC+CF as the formula of Perimeter of triangle is sum of all sides.

So here these perimeter will be 9 cm and find of EF will 3 cm.

Thankyou ❤❤❤

Hope you understand