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 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 known as (a) acute triangle (b) an isosceles triangle (c) a scalene triangle (d) a right triangle

A triangle whose one angle is more than 90^0 is called (a) a scalene triangle (b) a right triangle (c) an acute triangle (d) an obtuse triangle

If one angle of a triangle is equal to the sum of the other two angles, then the triangle is (a) an isosceles triangle (b) an obtuse triangle (c) an equilateral triangle (d) a right 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 distance between the two lines represented by the sides of an equilateral triangle a right-angled triangle an isosceles triangle

If a vertex, the circumcenter, and the centroid of a triangle are (0, 0), (3,4), and (6, 8), respectively, then the triangle must be (a) a right-angled triangle (b) an equilateral triangle (c) an isosceles triangle (d) a right-angled isosceles triangle

Can an acute-angled triangled be a. and equilateral, b. an isosceles, and c. a scalene triangle ?

Explain the following terms: (i) Triangle (ii) parts or elements of a triangle (iii) Scalene triangle (iv) isosceles triangle (v) Equilateral triangle (vi) acute triangle (vii) Right triangle (viii) obtuse triangle (ix) Interior of a triangle (x) exterior of a triangle.

Explain the following terms: (i) Triangle (ii) parts or elements of a triangle (iii) Scalene triangle (iv) isosceles triangle (v) Equilateral triangle (vi) acute triangle (vii) Right triangle (viii) obtuse triangle (ix) Interior of a triangle (x) exterior of a triangle.