Question

A triangular scarf with side lengths 60 cm, 75 cm and 1m is bordered

with lace. If the lace costs Rs 10 per cm then the cost of the lace

border is ________​

Answer 1

Answer:

Cost of lace border = 375rs

Step-by-step explanation:

First find the perimeter of the triangle so that you know how long lace do u need.

For which u have to write 1 meter as 100 cm.

Perimeter of a triangle = the sum of its sides

80+70+100 = 250 cm

Now given,

Cost per 10 cm = 15 rupees

So, you have to find the cost for 250 cm,

for which first divide 250/10 = 25

Lastly,

simply multiply 25 x 15

= 375

Thus, we know that the price of the border is 375 rs

Answer 2

Step-by-step explanation:

cost of lace bordered 100 Rs