Fill in the blanks to make the statements true.If one angle of a triangle is equal to the sum of other two, then the measure of that angle is_____ .

(i) Obtuse angle  (ii) 180o  (iii) uncommon

(a) If smaller number is x, the other number is 81-x or 2x (b) The equation formed is 4x + 3 = 280 (c) The solution of the equation is x =...

A triangle is said to be Equilateral if each one of its sides has the same length.

Correct answer is (c) right

 The sum of an exterior angle of a triangle and its adjacent angle is always a right angle.

Measures of each of the angles of an equilateral triangle is 60°

In an isosceles triangle, two angles are always Equal.

In an isosceles triangle, angles opposite to equal sides are Equal.

Every triangle has at least Two acute angle (s).

If two angles of a triangle are equal, the third angle is also equal to each of the other two angles. False