Learn Maths Triangles , Class 9 Maths Triangles Exercise, Free Online Triangles 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 Triangles . Students can understand Triangles concept easily and consolidate their learning by doing Online Practice Tests on Maths,Triangles chapter repeatedly till they excel in Class 9, Triangles . Free ONLINE PRACTICE TESTS on Class 9, Triangles comprise of Hundreds of Questions on Triangles , prepared by the highly professionals team. Every repeat test of Triangles will have new set of questions and help students to prepare themselves for exams by doing unlimited Online Test exercise on Triangles . Attempt ONLINE TEST on Class 9,Maths,Triangles in Academics section after completing this Triangles Question Answer Exercise.

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Triangles

The diagram at the right shows a right triangle with representations for two angles. What is the value of x?

a)         15
b)         45
c)         60
d)         54

✔Answer

Correct Answer Is : 15

Solution Is :

Two sides of an isosceles triangle measure 3 and 5. Which of the following could be the measure of the third side?

a)         9
b)     5
c)    7
d)     3

✔Answer

Correct Answer Is : 5

Solution Is :

The midpoints of the sides of triangle PQR are labeled X, Y and Z. If the perimeter of triangle XYZ is 26, find the perimeter of triangle PQR.

a)        48
b)    52
c) 84
d) 116

✔Answer

Correct Answer Is : 52

Solution Is :

In triangle ABC, m
a) isoceles
b) right
c) obtuse
d) acute

✔Answer

Correct Answer Is : acute

Solution Is :

In a triangle PQR, if PQ=PR and QR is produced to S such that angle PRS=120° then angle P is equal to

a)        60°
b)    30°
c) 90°
d)    120°

✔Answer

Correct Answer Is : 60°

Solution Is :

In adjoining figure, AC=BC and angle ABY=140o, then find angles x and y

a)         120O
b)          70O
c)         110O
d)         130O

✔Answer

Correct Answer Is : 110O

Solution Is :

In the accompanying diagram, BA=BC and angle x=130O,then angle y is equal to What is m

a)          70O
b)          50O
c)          90O
d)         110O

✔Answer

Correct Answer Is : 50O

Solution Is :

In triangle ABC,
a)         m b)         m 90
c)         m d)         m

✔Answer

Correct Answer Is :         m 90

Solution Is :

The sides of a triangle are 6, 8 and 12. Find the length of the longest side of a similar triangle whose shortest side is 18.

a)         10
b)    16
c)    20
d)     36

✔Answer

Correct Answer Is :     36

Solution Is :

The vertex angle of an isosceles triangle measures ten times the measure of a base angle. Find the measure of a base angle.

a)        30°
b) 45°
c)    15°
d) 60°

✔Answer

Correct Answer Is :    15°

Solution Is :

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Class 9 Maths Study Material

Triangles

The diagram at the right shows a right triangle with representations for two angles. What is the value of x?

Correct Answer Is : 15

Solution Is :

Two sides of an isosceles triangle measure 3 and 5. Which of the following could be the measure of the third side?

Correct Answer Is : 5

Solution Is :

The midpoints of the sides of triangle PQR are labeled X, Y and Z. If the perimeter of triangle XYZ is 26, find the perimeter of triangle PQR.

Correct Answer Is : 52

Solution Is :

In triangle ABC, m a) isoceles b) right c) obtuse d) acute ✔Answer Correct Answer Is : acute Solution Is :

Correct Answer Is : acute

Solution Is :

In a triangle PQR, if PQ=PR and QR is produced to S such that angle PRS=120° then angle P is equal to

Correct Answer Is : 60°

Solution Is :

In adjoining figure, AC=BC and angle ABY=140o, then find angles x and y

Correct Answer Is : 110O

Solution Is :

In the accompanying diagram, BA=BC and angle x=130O,then angle y is equal to What is m

Correct Answer Is : 50O

Solution Is :

In triangle ABC, a) m b) m 90 c) m d) m ✔Answer Correct Answer Is : m 90 Solution Is :

Correct Answer Is : m 90

Solution Is :

The sides of a triangle are 6, 8 and 12. Find the length of the longest side of a similar triangle whose shortest side is 18.

Correct Answer Is : 36

Solution Is :

The vertex angle of an isosceles triangle measures ten times the measure of a base angle. Find the measure of a base angle.

Correct Answer Is : 15°

Solution Is :

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In triangle ABC, m
a) isoceles
b) right
c) obtuse
d) acute

✔Answer

Correct Answer Is : acute

Solution Is :

In triangle ABC,
a) m b) m 90
c) m d) m

✔Answer

Correct Answer Is : m 90

Solution Is :