The base of a triangle is equal to the perimeter of a square whose diagonal is 7√3 cm and its height is equal to the side of a square whose area is 169 cm2. The area (in cm2) of the triangle is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 182.
Side of 1st square = 7
Perimeter = 7 × 4 = 28
So, the base of the triangle = 28 cm
Side of 2nd square = 13
So, the height of the triangle is 13 cm
The required area = 1/2 × 28 × 13
⇒ 182 cm2