Question

Green cleaning refers to using cleaning methods and products with environmentally friendly ingredients and procedures which are designed to preserve human health and environmental quality to preserve the environment and do in this manner, Ramesh made a slide in a park which is situated in his society. One of its side walls has been painted in some colour with a message . KEEP THE PARK GREEN AND CLEAN '(see figure) If the sides of the wall are 15m, 11m, and 6m

1) Find the semi perimeter of triangle.
a) 14m b) 16m c) 18m d) 20m

2) Find the area (in m?) of the wall.
a) 10 2 b) 20 2 C) 30 2 d) 40 2

3) Write the type of triangle given in question. a) equilateral d) right angled triangle b) scalene c) isosceles

4) Find the cost of paint if the price is rs 10 per m ( V2 = 1.41)
a) 284 b) 282 c) 261 d) 286​

Answer 1

semi perimeter = perimeter/2

= (15+11+6)/2 = 32/2 = 16 m

Answer 2

hope this will help you buddy