1) . Which of the following is not a criterion for congruence of triangles? a) SAS b) ASA c) SSA d) SSS 2) If AB = QR, BC = PR and CA = PQ, then a) Δ ABC ≅ ΔPQR b) ΔCBA ≅ ΔPRQ c) ΔBAC ≅ Δ RPQ d) Δ PQR ≅ Δ BCA 3) In Δ ABC, AB = AC and ∠B = 50°. Then ∠C is equal to a) 40° b) 50 ° c) 120 ° d) 130 ° 4) ABC is a right angled triangle in which ∠A = 90° and AB = AC. Find ∠B and ∠C. a) 45°, 45° b) 60°, 60° c) 40°, 40° d) 75°, 75° 5) Find the value of x a) 50° b) 28° c) 68° d) 72° 6) In the figure given below, ABC is an equilateral triangle. Base BC is produced to E, such that BC= CE. Calculate ∠ACE and ∠AEC. a) ∠ACE =100°, ∠AEC = 30° b) ∠ACE =120°, ∠AEC = 30° c) ∠ACE =100°, ∠AEC = 50° d) ∠ACE =120°, ∠AEC = 50° 7) In ∆ABC, BC = AB and ∠B = 80°. Then, ∠A = ? a) 80° b) 40° c) 50° d) 100° 8) If Δ ABC ≅ ΔPQR, then which of the following is not true? a) AC = PR b) BC = PQ c) QR = BC d) AB = PQ 9) In the given figure, the measure of ∠BAC a) 60 ° b) 50° c) 70° d) 80° 10) Line segment joining the mid point of any side with the opposite vertex is a) Altitude b) Median c) Perpendicular Bisector d) Angular bisector 11) The length of perpendicular drawn from the opposite vertex to any side is a) Altitude b) Median c) Perpendicular Bisector d) Angular Bisector 12) The point of intersection of all the altitudes of a triangle is a) Orthocentre b) Incentre c) Circumcentre d) Centroid 13) In a triangle , the angle opposite to longest side is a) Greater than 60 b) Measure of 50 c) Greater than 90 d) None of these 14) The difference between any two sides of a triangle is _____ the third side a) Equal To b) Less Than c) Greater Than d) Half 15) If two angles of a triangle are unequal then the side opposite side to the smaller angle is a) greater b) 90° c) Smaller d) None of these 16) The sides opposite to two equal angles of a triangle are a) Not equal b) Congruent c) Maybe Congruent d) Not Congruent 17) Which of the following is the value of congruency? a) SAS b) ASS c) SSA d) None of these 18) By which of the following congruence rule following triangles are congruent ? a) SAS b) ASS c) AAS d) SSA 19) If one angle of a triangle is equal to sum of the other two angles, then the triangle is a) Equilateral triangle b) Isosceles triangle c) Obtuse triangle d) Right triangle 20) Two sides of a triangle are 7 cm and 10 cm. which of the following lengths can be the length of the third side? a) 19 cm b) 17 cm c) 23 cm d) none 21) Two figures are congruent , if they are of a) Same shape b) Same size c) A and b both d) None. 22) In Δ ABC if ∠A= 60 , ∠B= 50 then the largest side is a) AC b) ∠C c) BC d) AB 23) In Δ ABC if AB= AC, ∠A= 40 , ∠B= a) 35 b) 70 c) 140 d) 60 24) If 2x+60=140, Find the value of x a) 60 b) 90 c) 40 d) 20 25) If  x2+5=30, find the value of x a) 7 b) 6 c) 3 d) 5

9th math triangles

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