CBSE Class 9 Maths Herons Formula MCQs

Question. The sides of a triangular plot are in the ratio of 3 : 5 : 7 and its perimeter is 300 m. Find its area. (a) 4√30 (b) 8√30 (c) 12√30 (d) 16√30 Question. Find the area of a triangle, two sides of which are 8 cm and 11 cm and the perimeter is 32 cm (a) 1500√3 (b) 3000√…