Question

I have exam so please tell me questions on heron's formula class 9​

Answer 1

Answer:

its in class 10 not in class ninth

Step-by-step explanation:

have exam so please tell me questions on heron's formula class 9

Answer 2

1. The perimeter of a triangle is 50 cm. One side of a triangle is 4 cm longer than the smaller side and the third side is 6 cm less than twice the smaller side. Find the area of the triangle.

2. The triangular side walls of a flyover have been used for advertisements. The sides of the walls are 13 m, 14 m and 15 m. The advertisements yield an earning of Rs 2000 per m2 a year. A company hired one of its walls for 6 months. How much rent did it pay?

3. Find the cost of laying grass in a triangular field of sides 50 m, 65 m and 65 m at the rate of Rs 7 per m2.

4. The area of the isosceles triangle is 5/4 √11cm2, if the perimeter is 11 cm and the base is 5 cm. [True/False]

5. The area of △ ABC is 8 cm2 in which AB = AC = 4 cm and ∠A = 90º.[True/False]

6. The area of an equilateral triangle with side 2√3 cm is

(A) 5.196 cm2

(B) 0.866 cm2

(C) 3.496 cm2

(D) 1.732 cm2

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these are very good questions.....

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