Question

Mr. Baskar was having some plots which were not in use. He decided to develop the land and grow some fruits and vegetables. He developed two triangular plots one for growing vegetables and the other for fruits.
Plot 1 is a triangular plot of sides 13m, 12m, 7m in length.
Plot 2 is an equilateral triangle in shape with a side measure of 4 m.
(i) The semi perimeter of plot 1 is
(a) 32m (b) 16m (c) 72m (d)132 m
(ii) The formula to find the area of an equilateral triangle of side “a” is:
(a) √32 a (b) √34 a (c) √34 a2 (c) √32 a2
(iii) The area of plot 1
(a) 6√3 m2 (b)24√3 m2 (c) 72 m2 (c)6√6 m2
(iv) The area of plot 2 is :
(a) 4 m (b)3√3 (c)4√3 m (d)24m (v) If the cost of fencing is ₹10 per meter what is the total cost of fencing both lands? (a) ₹ 320 (b) ₹ 260 (c) ₹ 440 (d) ₹ 520

Answer 1

Answer:Ur from UIS rite..

Step-by-step explanation:

1. 16m

2.root 3/4 a2

3.24 root 3 m2

4.4 root 3 m