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Fill in the blanks with the correct word/symbol to make it a true statement: (i) A triangle has........sides. (ii) A triangle has .......... vertices. (iii) A triangle has...........angles. (iv) A triangle has.........parts. (v) A triangle whose no two sides are equal is known as...... (vi) A triangle whose two sides are equal is known as......... (vii) A triangle whose all the sides are equal is known as...... (viii) A triangle whose one angle is a right angle is known as... (ix) A triangle whose all the angles are of measure less than `90^0` is known as....... (x) A triangle whose one angle is more than `90^0\ ` is known as.......

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Fill in the blanks with correct word/symbol to make it a true statement: (i) A triangle has .. sides. (ii) A triangle has ..vertices. (iii) A triangle has ..angles. (iv) A triangle has ..parts. (v) A triangle whose no two side are equal is known as.. (vi) A triangle whose two sides are equal is known as (vii) A triangle whose all the sides are equal is known as (viii) A triangle whose one angle is a right angle is known as. (ix) A triangle whose all the angles are of measure less than 90^0 is known as (x) A triangle whose one angle is more than 90^0 is known as.....

A triangle whose two sides are equal is known as (a) acute triangle (b) an isosceles triangle (c) a scalene triangle (d) a right triangle

A triangle whose all sides are equal is called (a) an equilateral triangle (b) an acute triangle (c) a right triangle (d) an isosceles triangle

A triangle whose two sides are equal is called (a) an acute triangle (b) a scalene triangle (c) an isosceles triangle (d) an equilateral triangle

A triangle having all sides of different length is known as (a) scalene triangle (b) isosceles triangle (c) an equilateral triangle (d) an acute triangle

The in-radius of the triangle whose sides are 3,5,6,is

Find the third side of an isosceles triangle whose two sides are 9 cm and 4 cm.

In an isosceles triangle, prove that the angles opposite to equal sides are equal.

If two angles and a side of one triangles are equal to two angles and a side of another triangles , the triangles are congruent.

Find the area of an equilateral triangle, whose one side is a cm.

RD SHARMA ENGLISH-PROPERTIES OF TRIANGLES-All Questions
  1. In fig. 11, the length (in cm) of each side has been indicated alon...

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  2. In fig. 12, there are five triangles. The measures of some of their...

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  3. Fill in the blanks with the correct word/symbol to make it a true st...

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  4. In each of the following, state if the statement is true (T) or fal...

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  5. Two angles of a triangle are of measures 75^0\ a n d\ 35^0 find the...

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  6. One of the angles of a triangle has measure 80^0 and the other two ...

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  7. Of the three angles of a triangle, one is twice the smallest and an...

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  8. Each of the two equal angles of a triangle is twice the third angle...

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  9. If the angles of a triangle are in the ratio 2:\ 3:\ 4, determine t...

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  10. The sum of two angles of a triangle is equal to its third angle. De...

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  11. One of the acute angles of a right triangle is 58^0 , find the othe...

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  12. In fig. 14 , A B C is right-angled at C ,\ a n d\ C D|A Bdot also /A=...

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  13. In fig. 15 , D , E are points on sides AB, AC of A B C such that ...

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  14. The fig.16 has been obtained by using two triangles. Find /A+/B+/C+...

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  15. Fig.17 is made up of two triangles. find /D A B+/A B C+/B C D+/C D...

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  16. In five cornered fig. 18,A D , A C are joined. Find /E A B+/ A B C+/B ...

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  17. The sides A B and A C of A B C are product to P and Q\ respectively....

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  18. Two angles of a triangle are of measures 105^0\ a n d\ 30^0dot find...

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  19. One of the angles of a triangle is 130^0, and the other two angles ...

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  20. The three angles of a triangle are equal to one another. What is th...

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