Q. The acute angle of a rhombus whose side is geometric mean of its diagonals is

157 154 Trigonometric Functions Report Error

A

$1 5^{\circ}$

22%

B

$2 0^{\circ}$

5%

C

$3 0^{\circ}$

69%

D

$8 0^{\circ}$

4%

Solution:

Correct answer is (c) $3 0^{\circ}$