A triangle is said to be $______$ if at least any two of its angles are of the same measure. [equilateral triangle/isosceles triangle]

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Solution

An isosceles triangle has two equal sides and any two angles are of equal measure.
in the above diagram
$A B = A C$ and $∠ B = ∠ C$
Hence, a triangle is said to be isosceles if at least any two of its angles are of equal measures.

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Similar questions

Which of the following statements are true (T) and which are false (F):

(i) Sides opposite to equal angles of a triangle may be unequal.

(ii) Angles opposite to equal sides of a triangle are equal.

(iii) The measure of each angle of an equilateral triangle is $60^{\circ}$

(iv) If the altitude from one vertex of a triangle bisects the opposite side, then the triangle may be isosceles.

(v) The bisectors of two equal angles of a triangle are equal.

(vi) If the bisector of the vertical angle of a triangle bisects the base, then the triangle may be isosceles.

(vii) The two altitudes corresponding to two equal sides of the triangle need not be equal

(viii) If any two sides of a right triangle are respectively equal to two sides of another right triangle, then the two triangles are congruent.

(ix) Two right triangles are congruent if hypotenuse and a side of one triangle are respectively equal to the hypotenuse and a side of the other triangle.

Q. 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

Q. The measures of three angles of a triangle are in the ratio 1 : 2 : 3. Then, the triangle is
(a) right-angled
(b) equilateral
(c) isosceles
(d) obtuse-angled

Q. Fill in the blanks.
(i) A triangle has ...... sides, ...... angles and ...... vertices.
(ii) The sum of the angles of a triangle is ...... .
(iii) The sides of a scalene triangle are of ....... lengths.
(iv) Each angle of an equilateral triangle measures ...... .
(v) The angles opposite to equal sides of an isosceles triangle are ....... .
(vi) The sum of the lengths of the sides of a triangle is called its .......... .

If the altitudes from two vertices of a triangle to the opposite sides are equal then the triangle is

(a) equilateral (b) isosceles

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A triangle is said to be______if at least any two of its angles are of the same measure. [equilateral triangle/isosceles triangle]

An isosceles triangle has two equal sides and any two angles are of equal measure.in the above diagram AB=AC and ∠B=∠CHence, a triangle is said to be isosceles if at least any two of its angles are of equal measures.

A triangle is said to be $______$ if at least any two of its angles are of the same measure. [equilateral triangle/isosceles triangle]

An isosceles triangle has two equal sides and any two angles are of equal measure.
in the above diagram
$A B = A C$ and $∠ B = ∠ C$
Hence, a triangle is said to be isosceles if at least any two of its angles are of equal measures.