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Question 6: An umbrella is made by stitching 10 triangular pieces of cloth of two different colours (see Fig. 12.16), each piece measuring 20 cm, 50 cm and 50 cm. How much cloth of each colour is required for the…
Read MoreQuestion 5: A rhombus shaped field has green grass for 18 cows to graze. If each side of the rhombus is 30 m and its longer diagonal is 48 m, how much area of grass field will each cow be…
Read MoreQuestion 4: 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…
Read MoreQuestion 3: Radha made a picture of an aeroplane with coloured paper as shown in Fig 12.15. Find the total area of the paper used. Question 2 Question 4 Prerequisite Before your attempt this question, you must watch the last…
Read MoreQuestion 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. Question 1 Question 3 Prerequisite
Read MoreQuestion 1: A park, in the shape of a quadrilateral ABCD, has ∠ C = 90º, AB = 9 m, BC = 12 m, CD = 5 m and AD = 8 m. How much area does it occupy? Ex:…
Read MoreQuestion 6: An isosceles triangle has perimeter 30 cm and each of the equal sides is 12 cm. Find the area of the triangle. Question 5 Ex: 12.2 | Question 1 Prerequisite
Read MoreQuestion 5: Sides of a triangle are in the ratio of 12 : 17 : 25 and its perimeter is 540cm. Find its area. Question 4 Question 6 Prerequisite
Read MoreQuestion 4: Find the area of a triangle two sides of which are 18cm and 10cm and the perimeter is 42cm. Question 3 Question 5 Prerequisite
Read MoreQuestion 3: There is a slide in a park. One of its side walls has been painted in some colour with a message “KEEPTHE PARK GREEN AND CLEAN” (see Fig. 12.10 ). If the sides of the wall are 15…
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