A triangle and a parallelogram have the same base and the same area. If the sides of the triangle are 26 cm, 28 cm and 30 cm, and the parallelogram stands on the base 28 cm, find the height of the parallelogram.
Ncert Math Solutions Class 9th Chapter 12 Heron’s Formula Exercise 12.2 Question 3
Radha made a picture of an aeroplane with coloured paper as shown in figure. Find the total area of the paper used.
Ncert Math Solutions Class 9th Chapter 12 Heron’s Formula Exercise 12.2 Question 2
Find the area of a quadrilateral ABCD in which AB = 3 cm, BC = 4 cm, CD = 4 cm, DA = 5 cm and AC = 5 cm.
Ncert Math Solutions Class 9th Chapter 12 Heron’s Formula Exercise 12.2 Question 1
A park, in the shape of a quadrilateral ABCD, has
, AB = 9 m, BC = 12 m, CD = 5 m and AD = 8 m. How much area does it occupy?
Ncert Math Solutions Class 9th Chapter 12 Heron’s Formula Exercise 12.1 Question 6
An isosceles triangle has perimeter 30 cm and each of the equal sides is 12 cm. Find the area of the triangle.