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The 3 interior angles add up to 180 degrees and the base angles are equal in size

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What is the measurement of the vertex angle of an isosceles triangle is the measure of one of its base angle is 42?

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.


What is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 48?

84 degrees


What is the measure of the vertex angle of an isosceles triangle if one of the base angles measures 48?

84 degrees


What is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 53?

If your "53" is in degrees, then the vertex angle is 74 degrees.


What is the measure of the vertex angle of an isosceles triangle if one of the base angles measures 53?

Vertex angle is 180-53-53 = 74 degrees


What is the measure of the vertex angel of an isosceles triangle if one of its base angles measures 42 degress?

Vertex angle: 180-42-42 = 96 degrees


What is the measure of the base angles of an isosceles triangle whose vertex angle has a measure of 50 degrees?

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


What is the measure of a base angle of an isosceles triangle if its vertex angle measures 50?

Its 2 equal base angles will each measure 65 degrees


What are the measures of the Base angles of an isosceles triangle whose vertex angle has measure of 55?

Each base angle is 62.5 degrees


What is the measure of the base angle of an isosceles triangle if the vertex measures 38 degrees?

(180 - 38)/2 = 71 degrees (base angles of an isosceles triangle are congruent).


What is the measure of the vertex angle of an isosceles triangle if one of the angles measure 58?

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


What is the measure of a base angle of an isosceles triangle if the vertex angle measures 38 and each of the two congruent sides measures 21 units?

The measure of each base angle in an isosceles triangle can be calculated by dividing the total angle sum by the number of base angles, i.e., (180 - vertex angle) / 2. In this case, each base angle of the isosceles triangle would measure (180 - 38) / 2 = 71 degrees.