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Question 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…
Read MoreQuestion 2: The triangular side walls of a flyover have been used for advertisements. The sides of the walls are 122 m, 22 m and 120 m (see Fig. 12.9). The advertisements yield an earning of ` 5000 per m2…
Read MoreQuestion 1: A traffic signal board, indicating ‘SCHOOL AHEAD’, is an equilateral triangle with side ‘a’. Find the area of the signal board, using Heron’s formula. If its perimeter is 180 cm, what will be the area of the signal…
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Synthetic division of polynomials – Part 2: In the first part we learned about dividing a polynomial with a linear polynomial. In this tutorial we are going learn how to divide a single variable polynomial with a non-linear polynomial (a…
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