RS Aggarwal Class 7 Math Fifteenth Chapter Properties of Triangles Exercise 15B Solution
EXERCISE 15B
(1) In the figure given alongside, find the measure of ∠ACD.
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(2) In the figure given alongside, find the values of x and y.
(3) In the figure given alongside, find the values of x and y.
(4) An exterior angle of a triangle measure 110o and its interior opposite angles are in the ratio 2 : 3. Find the angles of the triangle.
(5) An exterior angle of a triangle is 100o and their interiors opposite angles are equal to each other. Find the measure of each angle of the triangle.
(6) In the figure given along side, find:
(i) ∠ACD (ii) ∠AED
(7) In the figure given alongside, find:
(i) ∠ACD (ii) ∠ADC (iii) ∠DAE
(8) In the figure given alongside, x : y = 2 : 3 and ∠ACD = 130o. Find the values of x, y and z.
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