Two angles in an isosceles triangle can be 60- and 70-

The correct option is B AB+BC+CA gt; 2AM Sum of all the angles in a triangle is 180^∘. The third angle in the given triangle is 180 (60 + 70) = 50^∘ All t ...

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Byju's Answer

Standard VII

Mathematics

Properties of Isosceles and Equilateral Triangles

Two angles in...

Question

Two angles in an isosceles triangle can be $60^{\circ}$ and $70^{\circ}$ .

AB+BC+CA = 2 AM

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AB+BC+CA > 2AM

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Solution

The correct option is B
AB+BC+CA > 2AM

Sum of all the angles in a triangle is $180^{\circ}$ .
The third angle in the given triangle is 180 - (60 + 70) = $50^{\circ}$
All the angles in the triangle are different.
Therefore, it is not an isosceles triangle.

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Similar questions

In an isosceles triangle, one angle is $70^{\circ}$ . The other two angles are of

i) $55^{\circ}$ and $55^{\circ}$
ii) $70^{\circ}$ and $40^{\circ}$
iii) Any measure

In the given option(s) which of the above statement(s) are true?

Q. One of the base angles of an isosceles triangle is 70°. The vertical angle is
(a) 60°
(b) 80°
(c) 40°
(d) 35°

In the given figure, $Δ A B C$ is an isosceles triangle with $∠ A = 40^{0}$ and AB = AC. The measure of the remaining angles is

In the figure

△ P Q R

is an isosceles triangle with PQ = PR and

∠ P Q R = 35^{\circ}

. Find

∠ Q T R

In an isosceles triangle ABC, AB = AC and angle A measures 70⁰, then the measure of angle B is:

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Two angles in an isosceles triangle can be 60∘ and 70∘.

The correct option is B AB+BC+CA > 2AM Sum of all the angles in a triangle is 180∘. The third angle in the given triangle is 180 - (60 + 70) = 50∘ All the angles in the triangle are different. Therefore, it is not an isosceles triangle.

Two angles in an isosceles triangle can be $60^{\circ}$ and $70^{\circ}$ .

The correct option is B
AB+BC+CA > 2AM

Sum of all the angles in a triangle is $180^{\circ}$ .
The third angle in the given triangle is 180 - (60 + 70) = $50^{\circ}$
All the angles in the triangle are different.
Therefore, it is not an isosceles triangle.