Test: Construction of Tangents - Class 10 MCQ

# Test: Construction of Tangents - Class 10 MCQ

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## 10 Questions MCQ Test NTSE for Class 10 - Test: Construction of Tangents

Test: Construction of Tangents for Class 10 2024 is part of NTSE for Class 10 preparation. The Test: Construction of Tangents questions and answers have been prepared according to the Class 10 exam syllabus.The Test: Construction of Tangents MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Construction of Tangents below.
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Test: Construction of Tangents - Question 1

### In which of the following is AD not the bisector of angle A? ​

Detailed Solution for Test: Construction of Tangents - Question 1

The angle bisector of an angle of a triangle divides the opposite side internally in the ratio of the sides containing the angle.So in this question,

So , Substituting the values of option C
LHS=5/1.5=1/0.5
RHS=10/3.5=2/0.7
So, RHS ≠ LHS

Test: Construction of Tangents - Question 2

### PT and PS are tangents drawn to a circle, with centre C, from a point P. If ∠TPS = 50°, then the measure of ∠TCS is  ​

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Test: Construction of Tangents - Question 3

### A point O is at a distance of 10 cm from the centre of a circle of radius 6 cm. How many tangents can be drawn from point O to the circle?

Detailed Solution for Test: Construction of Tangents - Question 3

Only two tangents can be drawn from an external point.No tangent  can be drawn which touches points inside the circle.

Test: Construction of Tangents - Question 4

If TP and TQ are two tangents to a circle with centre O so that angle POQ = 110° then angle PTQ is equal to

Detailed Solution for Test: Construction of Tangents - Question 4

We know that the sum of angle made by two tangents joined by an exterior point and the angle made at the centre of the circle is equal to 180 degrees
So, Angle POQ + Angle PTQ = 180
110 + Angle PTQ = 180
Angle PTQ = 180- 110 = 70 degrees

Test: Construction of Tangents - Question 5

D and E are the mid points of sides AB and AC respectively of a triangle ABC such that DE is parallel to BC. If AD = x cm, DB = (x – 2) cm, AE = (x + 2) cm and EC = (x-1) cm, then the value of x is

Test: Construction of Tangents - Question 6

PQ is a tangent to a circle with centre O at the point P. If triangle OPQ is an isosceles triangle, then angle OQP is equal to​

Test: Construction of Tangents - Question 7

To draw a pair of tangents to a circle which are inclined to each other at an angle of 60°, it is required to draw tangents at the end points to those two radii of the side, the angle between which is​

Detailed Solution for Test: Construction of Tangents - Question 7

∠OQP=90o=∠ORP since the angle, between a tangent to  a circle and the radius of the same circle passing through  the point of contact, is 90o

∴  By angle sum property of quadrilaterals, we get ∠OQP+∠RPQ+∠ORP+∠ROQ=360o⟹90o+60o+90o+∠ROQ=360o⟹∠ROQ=120o.

Test: Construction of Tangents - Question 8

To draw a pair of tangents to a circle which are inclined to each other at an angle of 45° it is required to draw tangents at the end point of those two radii of the circle, the angle between which is :​

Test: Construction of Tangents - Question 9

A point O is at a distance of 10 cm from the centre of a circle of radius 6 cm. How many tangents can be drawn from point O to the circle?

Detailed Solution for Test: Construction of Tangents - Question 9

Two tangents can be drawn to a circle from a point outside the circle.
No tangent line can be drawn through a point within a circle, since any such line must be a secant line.

Test: Construction of Tangents - Question 10

Length of the tangent to a circle from a point 26 cm away from the centre is 24 cm. What is the radius of the circle?​

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## NTSE for Class 10

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