In an isosceles triangle- if the base angles are equal- then - are equal- all the sides-any two sides-sides opposite to these angles-none of the sides

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Standard VIII

Mathematics

Isosceles Triangle and Its Properties

In an isoscel...

Question

In an isosceles triangle, if the base angles are equal, then ___ are equal.

all the sides

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any two sides

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sides opposite to these angles

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none of the sides

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Solution

The correct option is C
sides opposite to these angles

In an isosceles triangle, if the base angles are equal, then the sides opposite to these angles are equal..
( $∵$ Sides opposite to equal angles are equal.)

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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. In an isosceles triangle, if the base angles are equal, then sides opposite to these angles are equal.

Q. in an isosceles triangle ,base angles opposite to equal sides are (i) equal(ii) unequal (iii) perpendicular (iv)parallel

Q. 1.triangles in which all the angles are equal.
if all the angles in a triangle are equal,then its sides are also-
2.triangles in which all the three sides are equal.
if all the sides in a triangle are equal are equal,then its angles are-
3.triangles which have two equal angles and two equal sides.
if two sides of a triangle are equal,it has- equal angles.
and it two angles of a triangle are equal,it has- equal sides.
4.triangles in which no two sides are equal.
if none of the angles of a triangle are equal then none of these sides are equal.if the three sides of a triangle are unequal then,the three angles are also-

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°.

(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 a triangle need not be equal.

(viii) If any two sides of a right triangle are respectively equal to two sides of other 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 equal to the hypotenuse and a side of the other triangle.

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In an isosceles triangle, if the base angles are equal, then ___ are equal.

The correct option is C sides opposite to these angles In an isosceles triangle, if the base angles are equal, then the sides opposite to these angles are equal.. ( ∵ Sides opposite to equal angles are equal.)

The correct option is C
sides opposite to these angles

In an isosceles triangle, if the base angles are equal, then the sides opposite to these angles are equal..
( $∵$ Sides opposite to equal angles are equal.)