Question

Q.1 ) The length of a rectangle is 6 upon 5 tits breadth. If its perimeter is 264 m. The area of the rectangle is
(A) 6480 sq. m
(B) 2160 sq . m
(C)4320 sq. m
(D) 8640 sq. m
the correct answer is (C)4320sq. m
but how
Q. 2) in a quadrilateral, if the angles are in the ratio of 4: 3:2:1, the greatest angle is
(A) 36°
(B) 72°
(C) 144°
(D) 180°
the correct answer is (C) 144°
but how​

Answer 1

I wish that you are satisfied !!