191.The exterior angle of a triangle is equal to the sum of two:
Exterior angles
Interior angles
Interior opposite angles
Interior opposite angles
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192.
If the angles of a triangle are in the ratio 5 : 3 : 7, then the triangle is:
an acute angled triangle
an obtuse angled triangle
a right triangle
a right triangle
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193.From the given figure, identify the incorrect statement, given that l || m and t is the transversal:
∠2 and ∠5 are supplementary
∠2 and ∠8 are supplementary
∠2 and ∠3 are supplementary
∠2 and ∠3 are supplementary
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194.In figure, the value of angle q is:
60°
90°
50°
50°
151 Views
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195.In the figure, if ∠A + ∠B + ∠C + ∠D + ∠E + ∠F = k right angles, then k is:
2
3
4
4
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Short Answer Type
196.In figure, find the values of x and y and then show that AB || CD.
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197.Let OA, OB, OC and OD be the rays in the anticlockwise direction starting from OA, such that ∠AOB = ∠COD = 100°, ∠AOD = ∠BOC = 80°. Is it true that AOC and BOD are straight lines? Justify your answer by drawing the figure.
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198.In figure, if AB || DC, ∠BDC = 30° and ∠BAD = 80°, find ∠x, ∠y and ∠z.
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199.The side BC of ∆ABC is produced on both sides. Prove that the sum of the two exterior angles so formed is greater than ∠A by 180°.
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200.An angle is equal to five times its supplement. Find the measure of the angle.
Multiple Choice Questions
Short Answer Type
