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182,, , Mathematics for Class 8, , EXERCISE 144, Find the measure of each exterior angle of a regular, () pentagon (ut) hexagon, () polygon of 15 sides., , , , (iil) heptagon (iv) dec, , ISit possible to have a regular polygon each of whose exterior angles 1s 50°?, Find the measure of each interior angle of a regular polygon having, (1) 10 sides (ti) 15 sides., , Is it possible to have a regular polygon each of whose interior ang, , , , s 100°?, 5., , What is the sum of all interior angles of a regular, (i) pentagon (ii) hexagon, What is the number of diagonals in a, (8) heptagon (4) octagon (iti) polygon of 12 sides?, Find the number of sides of a regular polygon whose each exterior, ()) 40° (i) 36° (a) 72, In the given figure, find the angle measure x., , (il) nonagon (iv) polygon of 12 sides?, 6., , %, , angle measures:, , liv) 30°, 8., , , , 9. Find the angle measure x in the given figure, , ZO, , <>, , , , EXERCISE 145, |, OBJECTIVE QUESTIONS i, Tick (/) the correct answer in each of the following:, 1, How many diagonals are there in @ pentagon?, fa) 5 b) 7