Learn Maths Circles, Class 9 Maths Circles Exercise, Free Online Circles Lessons

Class 9 Maths Study Material

An Educational platform for Preparation and Practice Class 9. Kidsfront provide unique pattern of learning Maths with free online comprehensive study material in the form of QUESTION & ANSWER for each Chapter of Maths for Class 9. This study material help Class 9, Maths students in learning every aspect of Circles. Students can understand Circles concept easily and consolidate their learning by doing Online Practice Tests on Maths,Circles chapter repeatedly till they excel in Class 9, Circles. Free ONLINE PRACTICE TESTS on Class 9, Circles comprise of Hundreds of Questions on Circles, prepared by the highly professionals team. Every repeat test of Circles will have new set of questions and help students to prepare themselves for exams by doing unlimited Online Test exercise on Circles. Attempt ONLINE TEST on Class 9,Maths,Circles in Academics section after completing this Circles Question Answer Exercise.

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Topic wise:Circles preparation in the form of QUESTION & ANSWER.
Evaluate preparation by doing ONLINE TEST of Class 9, Maths,Circles.
Review performance in PRACTICE TEST and do further learning on weak areas.
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Circles

If a perpendicular falls on a chord from the center of the circle, it will divide the chord in two ___________.

a) Different parts
b) Equal parts
c) Sometimes
d) None of these

✔Answer

Correct Answer Is : Equal parts

Solution Is :

In the fig, find the Radius OT, if AT=10cm and AO=6cm(AT is tangent)

a) 5cm
b) 6cm
c) 7cm
d) 8cm

✔Answer

Correct Answer Is : 8cm

Solution Is :

What is the formula of Area of Circle?

a) ∏r∧2
b) 2∏r
c) 2∏r∧2
d) 3∏r∧2

✔Answer

Correct Answer Is : ∏r∧2

Solution Is :

The number of common tangents that can be drawn for two externally tangent circles is

a) 1
b) 2
c) 3
d) 4

✔Answer

Correct Answer Is : 3

Solution Is :

Given the circle at the right with designated center, designated perpendicular, and radius 5. Find the length of the segment labeled x

a) 8 cm
b) 7 cm
c) 5 cm
d) 4 cm

✔Answer

Correct Answer Is : 4 cm

Solution Is :

In the same circle, or congruent circles, congruent central angles have congruent arcs.

a) TRUE
b) FALSE
c) Sometimes true or Sometimes false
d) None of these

✔Answer

Correct Answer Is : TRUE

Solution Is :

If the diameter of a circle is 142.8 millimeters, then what is the radius?

a) 71.4
b) 72
c) 71.2
d) 72.4

✔Answer

Correct Answer Is : 71.4

Solution Is :

AD is a diameter of circle and AB is chord. If AD=28cm, AB=22cm, the distance of AB from the center of the circle is :

a) 3√11
b) 3√15
c) 3√13
d) 3√17

✔Answer

Correct Answer Is : 3√15

Solution Is :

If AB=7cm,BC=8cm and AB is perpendicular to BC, then the radius of the circle passing through the points A,B and C is :

a) √115
b) √117
c) √113
d) √114

✔Answer

Correct Answer Is : √113

Solution Is :

ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and ?ADC=140, then ?BAC

a) 10 cm
b) 40
c) 30
d) 80

✔Answer

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Class 9 Maths Study Material

Circles

If a perpendicular falls on a chord from the center of the circle, it will divide the chord in two ___________.

Correct Answer Is : Equal parts

Solution Is :

In the fig, find the Radius OT, if AT=10cm and AO=6cm(AT is tangent)

Correct Answer Is : 8cm

Solution Is :

What is the formula of Area of Circle?

Correct Answer Is : ∏r∧2

Solution Is :

The number of common tangents that can be drawn for two externally tangent circles is

Correct Answer Is : 3

Solution Is :

Given the circle at the right with designated center, designated perpendicular, and radius 5. Find the length of the segment labeled x

Correct Answer Is : 4 cm

Solution Is :

In the same circle, or congruent circles, congruent central angles have congruent arcs.

Correct Answer Is : TRUE

Solution Is :

If the diameter of a circle is 142.8 millimeters, then what is the radius?

Correct Answer Is : 71.4

Solution Is :

AD is a diameter of circle and AB is chord. If AD=28cm, AB=22cm, the distance of AB from the center of the circle is :

Correct Answer Is : 3√15

Solution Is :

If AB=7cm,BC=8cm and AB is perpendicular to BC, then the radius of the circle passing through the points A,B and C is :

Correct Answer Is : √113

Solution Is :

ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and ?ADC=140, then ?BAC

Correct Answer Is : 40

Solution Is :

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