Question

side of triangular board are 5cm,12cm,13cm find the cost of painting the board at the rate of rs
30 per cm square
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Answer 1

Answer:

1800 rs from both sides

Step-by-step explanation:

area of triangle=1/2×base×height

here it is right angled triangle having base =12 and height=5 cm

so area =1/2×5×12

=30 sq cm

area from both sides=30×2=60 sq cm

so cost of painting is 60×30=1800 rs

Answer 2

Answer:

area of triangle =30cmsq

cost at rs 30 per cm sq is = 30×30= 900rupees