NCERT Solutions with NCERTplanet
NCERT Solutions with NCERTplanet
Class 9 – Mathematics Circles – Exercise 10.1 Exercise 10.1 Question : Fill in the blanks: (i) The centre of a circle lies in_______ of the circle. (exterior/ interior) (ii) A point, whose distance from the centre of a circle…
Class 9 – Mathematics Areas of Parallelograms and Triangles – Exercise 9.4 Exercise 9.4 Question : Parallelogram ABCD and rectangle ABEF are on the same base AB and have equal areas. Show that the perimeter of the parallelogram is greater…
Class 9 – Mathematics – Exercise Exercise 9.3 Question : 1 : In the given figure, E is any point on median AD of a ∆ABC. Show that: ar (ABE) = ar (ACE) Answer : AD is the median of…
Class 9 – Mathematics Areas of Parallelograms and Triangles – Exercise 9.2 Exercise 9.2 Question : 1 : In the figure, ABCD is a parallelogram, AE ⊥ DC and CF ⊥ AD. If AB = 16 cm, AE = 8…
Class 9 – Mathematics Areas of Parallelograms and Triangles – Exercise 9.1 Exercise 9.1 Question :1 : Which of the following figures lie on the same base and between the same parallels? In such a case, write the common base…
Class 9 – Mathematics Quadrilaterals – Exercise 8.1 Exercise 8.1 Question : 1: The angles of quadrilateral are in the ratio 3: 5: 9: 13. Find all the angles of the quadrilateral. Answer : Let the common ratio between the…
Class 9 – Mathematics Triangles – Exercise 7.5 Exercise 7.5 Question : 1 : ABC is a triangle. Locate a point in the interior of Δ ABC which is equidistant from all the vertices of Δ ABC. Answer : Given,…
Class 9 – Mathematics Triangles – Exercise 7.4 Exercise 7.4 Question : Show that in a right angled triangle, the hypotenuse is the longest side. Answer : Let us consider ΔABC such that ∠B = 900 So, ∠A +…
Class 9 – Mathematics Triangles – Exercise 7.3 Exercise 7.3 Question : 1 : Δ ABC and Δ DBC are two isosceles triangles on the same base BC and vertices A and D are on the same side of BC (see…
Class 9 – Mathematics Triangles – Exercise 7.2 Exercise 7.2 Question : 1 : In an isosceles triangle ABC, with AB = AC, the bisectors of ∠ B and ∠ C intersect each other at O. Join A to O.…
Class 9 – Mathematics Triangles – Exercise 7.1 Exercise 7.1 Question : 1 In quadrilateral ACBD,AC = AD and AB bisects ∠ A (see Fig. 7.16). Show that Δ ABC ≅Δ ABD. What can you say about BC and BD? Answer…
Class 9 – Mathematics Lines And Angles – Exercise 6.3 Exercise 6.3 Question : 1 In the figure, sides QP and RQ of ∆ PQR are produced to points S and T respectively. If ∠SPR = 1350 and ∠PQT = 1100, find…