Line, Angle and Triangle Solved Questions

1) In the figure below R, S, and T are on line l. What is the average of a, b, c, d and e
  lines-angle-triangles
(A) 45
(B) 18
(C) 36
(D) 90

2) Find the measure of the hypotenuse of a right angled triangle if base = 8 cm, perpendicular = 6 cm
(A) 14 cm
(B) 100 cm
(C) 10 cm
(D) 48 cm

3) Find the measure of the base of a right angled triangle if hypotenuse = 5 cm, perpendicular = 4 cm
(A) 9 cm
(B) 1 cm
(C) 5 cm
(D) 3 cm

4) A triangle is right angled if the measures of its sides are ___
(A) 6 cm, 8 cm, 10 cm
(B) 2 cm, 3 cm, 5 cm
(C) 6 cm, 3 cm, 4 cm
(D) 3 cm, 4 cm, 6 cm

5) Polygon having three sides is called
(A) square
(B) rectangle
(C) rhombus
(D) triangle


6) If in a right angled triangle one angle is 35° then the measure of other angle is ___
(A) 55°
(B) 145°
(C) 90°
(D) 45°

7) If sum of the measures of two angles is 90° then they are called
(A) right angle
(B) complementary
(C) supplementary
(D) adjacent

8) The angles of measure 50° and 130° are called as ___ angles
(A) Complementary
(B) Supplementary
(C) Adjacent
(D) Right angle





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