Question

the edges of a triangular board are 6cm,8cm and 10cm the cost of painting it at the rate of ₹25cm²​

Answer 1

Answer:

area of triangle = ½ × b × p

½ × 8 × x

therefore x =

10² = x² + 8²

100 = x² + 64

x² = 100 - 64

x² = 36

x = 36 under root

x = 6 cm

so area = ½ × 8 × 6

24 cm ²

so 25 × 24 = 600 rs

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