Question

the sides of a triangle are 7cm and 10cm. which of the following length can be the length of the third side​

Answer 1

Answer:

Let the third side be x

then, two sides = 7x and 10x

according to question

7x + 10x + x = 180 ( sum of all angles of a triangle)

18x = 180

x = 10

Hence, The length of third side = 10 cm