Question

Seema has a triangular piece of quilt having sides 15 cm, 20 cm, 22 cm. She wants to fix 4 rounds of a lace border to cloth. How much lace would she require ​

Answer 1

Answer:

Perimeter of Triangle = ( ab + bc + ca)

Perimeter = 15 + 20 + 22

Perimeter = 57 cm

4 rounds = 4 x Permeter

4 rounds = 4 x 57

4 rounds of lace = 228 cm

Answer 2

Answer:

57cm

Step-by-step explanation:

perimeter of triangle = sum of all sides

=15+20+22

=57cm

no. of rounds wants to take =4*peri. of traingle

=228cm

so , she required 228cm lace to fix around the cloth