Basic geometrical concepts Practice Questions
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A triangle has two of its angles in the ratio of 1:2. If the measure of its third angle is 30°, what is the measure of the largest angle of the triangle in degrees?
(a) 100° (b) 90° (c) 135°
(d) Cannot be determined (e) None of these
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The smallest angle of a triangle is equal to two-third the smallest angle of a quadrilateral. The ratio of the angles of the quadrilateral is 3 : 4 : 5 : 6. Largest angle of the triangle is twice its smallest angle. What is the sum of second largest angle of the triangle and largest angle of the quadrilateral ?
(a) 160° (b) 180° (c) 190°
(d) 170° (e) None of these
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The largest and the smallest angles of a triangle are in the ratio of 3:1 respectively. The second largest angle of the triangle is equal to 44°. What is the value of 150% of the largest angle of the triangle?
(a) 149° (b) 129° (c) 153°
(d) 173° (e) None of these
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One of the angles of a quadrilateral is thrice the smaller angle of a parallelogram. The respective ratio between the adjacent angles of the parallelogram is 4 : 5 Remaining three angles of the quadrilateral are in ratio 4: 11: 9 respectively What is the sum of the largest and the smallest angles of the quadrilateral?
(a) 255° (b) 260° (c) 265°
(d) 270° (e) None of these
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One of the angles of a triangle is two-third angle of sum of adjacent angles of parallelogram. Remaining angles of the triangle are in ratio 5 : 7 respectively. What is the value of second largest angle of the triangle?
(a) 25° (b) 40° (c) 35°
(d) Can't be determined (e) None of these
Answers:
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a
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b
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c
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b
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c
