Question

the edge's of a triangular board are 6cm, 8cm and 10cm the cost of painting it at the rate of 9 paise per cm² is :
A) RS. 2.00
B) RS. 3.00
C) RS.2.48
D) RS. 2.16​

Answer 1

Answer:

rs.2.16

Step-by-step explanation:

The cost of painting it at the rate of 9paise per "cm^(2) is " (b) Since, the edges of a trianglular board are a = 6 cm, b=8 cm and c=10 cm. Now, semi-perimeter of a triangular board. Hence, the cost of triangular board is rupee 2.16.

Answer 2

Answer:

Option D is your right answer.

Step-by-step explanation:

your explanation is in the photo.