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68 degrees

180-(2*56) = 68

Q: What is the measure of the vertex angle of an isosceles triangle if the measure of one of its base angles is 56?

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130 degrees is the measure of the base angles of an isosceles triangle whose vertex has a measure of 50 degrees.

90 degrees. This is an isosceles right triangle, standing on its hypotenuse.

If the 58Â°-angle is one of the base angles, then the vertex angle is 64Â°.If the 58Â°-angle is the vertex angle, then the vertex angle is 58Â°.

The base angles of an isosceles triangle are congruent. The vertex angle of an isosceles triangle is not necessarily congruent to the base angles.

The vertex angle of an isosceles triangle is equal to the measure of each of its base angles. Therefore, if one of the base angles measures 42 degrees, then the vertex angle also measures 42 degrees.

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130 degrees is the measure of the base angles of an isosceles triangle whose vertex has a measure of 50 degrees.

90 degrees. This is an isosceles right triangle, standing on its hypotenuse.

64Â° is.

180 - 2*52 = 76 both base angles are equal (property of an isosceles triangle) and total angles is 180

If the 58Â°-angle is one of the base angles, then the vertex angle is 64Â°.If the 58Â°-angle is the vertex angle, then the vertex angle is 58Â°.

The base angles of an isosceles triangle are congruent. The vertex angle of an isosceles triangle is not necessarily congruent to the base angles.

The two angles that are not the isosceles vertex are equal.

The base angles will have equal angles of 50 degrees

The vertex angle of an isosceles triangle is equal to the measure of each of its base angles. Therefore, if one of the base angles measures 42 degrees, then the vertex angle also measures 42 degrees.

120 degrees.

84 degrees

84 degrees