Mental Maths 7>Chapter 6 - The Triangle and Its Properties>Question Bank>Q 7

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A triangle can have two

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Important Questions on The Triangle and Its Properties

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IMPORTANT

Mental Maths 7>Chapter 6 - The Triangle and Its Properties>Question Bank>Q 8

Two angles of a triangle are

30 °

and

120 °

. Then what type of triangle is this? (Isosceles / Equilateral / Scalene )

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Mental Maths 7>Chapter 6 - The Triangle and Its Properties>Question Bank>Q 9

In triangle

A B C

if

A B + B C = 10 cm

,

B C + C A = 12 cm, C A + A B = 16 cm,

then what is the perimeter of the triangle? (Write the numerical value as the final answer).

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Mental Maths 7>Chapter 6 - The Triangle and Its Properties>Question Bank>Q 10

Name the triangle for which centroid, circumcentre, orthocentre and incentre coincide with each other.

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Mental Maths 7>Chapter 6 - The Triangle and Its Properties>Question Bank>Q 11

One of the angles of a triangle is

70 °

and the other two angles are equal. What is the measure of each of the equal angles?

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Mental Maths 7>Chapter 6 - The Triangle and Its Properties>Question Bank>Q 12

In the given figure, $A C = B C$ what is the measure of angle $B$ ?

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Mental Maths 7>Chapter 6 - The Triangle and Its Properties>Question Bank>Q 13

The ratio of three angles of a triangle is

1 : 2 : 3 .

What are the measure of the three angles of triangle?

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Mental Maths 7>Chapter 6 - The Triangle and Its Properties>Question Bank>Q 14

If the measure of an angle $R$ in the given figure is $k °$ , find the value of $k$

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Mental Maths 7>Chapter 6 - The Triangle and Its Properties>Question Bank>Q 15

In the given figure $D E ∥ B C$ , what is the value of $x$ ?

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