Question

The areas allotted for a hockey court and

a shooting range of NCC TRAINING CAMP,

as shown in the figure below.

The shapes of the hockey court and the

shooting range are square and triangle

respectively. Both of the courts have a

common vertex that coincide with the

centre of circular camp. The construction

of the shooting range is such that the

angle to centre is 900. The radius of the

circular camp is 180 metres. On the basis

of given information answer the following

question
What is the area allotted to hockey court ?

(a) 12, 600 m2

(b) 22, 000 m2

(c) 20, 000 m2

(d) 16, 200 m2
(iii)

What is the area of training camp.

(e) 101736 m2

(f) 32400 m2

(g) 16200 m2

(h) 20000 m2​

Answer 1

Answer:

i) =4×(1/2×180/2×180/2)

=4×45×90

=16,200 m2