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Phoenix Institute of Mathematics, Unit Test, Std: Mathematics (11th), Date : 26/Oct/2021, , Subject: Mathematics & Statistics, solve all quesion, , Section A ( MCQ & VSA 1 MARKS Questions), Select and write the correct answer:, , Q.1, , Time: 60Min, Max Marks: 25, , 4, , (i), , (a) 30ᵒ, 50ᵒ, 120ᵒ and 150ᵒ, (b) 35ᵒ, 50ᵒ, 120ᵒ and 155ᵒ, (c) 31ᵒ, 50ᵒ, 124ᵒ and 155ᵒ, (d) 31ᵒ, 55ᵒ, 124ᵒ and 160ᵒ, (ii), , Q.2, , Answer the following:, (i) Determine whether the following pair of angle is co-terminal: 360°, -30°, (ii) Convert the radian measure in the degree measure., , (iii) Determine whether the following pair of angle is co-terminal: 860°, 580°, Section B (2 MARKS EACH), Attempt any Four:, Convert the angle into radian: 75°30', Q.3, Find the number of sides of a regular polygon if each of its interior angle is, Q.4, , Q.5, Q.6, Q.7, Q.8, , Q.9, , Find the degree and radian measure of exterior and interior angle of a regular: Pentagon, Find the angle between hour-hand and minute-hand in a clock at: thirty five past one, Find the degree and radian measure of exterior and interior angle of a regular: Hexagon, Find the angle between hour-hand and minute-hand in a clock at: ten past eleven, Section C ( 3 MARKS EACH), Attempt any Two:, In ∆ ABC, if, , m ∠B =120°, find m ∠C in degree and radian., , 3, , 8, , 6, , Page 1 of 2

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Q.10, Q.11, , Find the angle between hour-hand and minute-hand in a clock at: quarter to six, Find the number of sides of a regular polygon if each of its interior angle is, , Section D (4 MARKS EACH), Q.12, , Q.13, , Attempt any One:, One angle of a quadrilateral has measure, , 4, , and the measures of other three angles are in the ratio 2:3:4. Find their measures in degree and radian., The measures of the angles of the triangle are in A.P. The smallest angle is 40. Find the angles of the, triangle in degree and in radians., -------- All the Best --------, , Page 2 of 2