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What is the measure of a base angle of an isosceles triangle if the vertext angle measures 36 and the two congruent sides each measure 21 units?
Wiki User
∙ 13y ago
(180 - 36) / 2 = 72
Wiki User
∙ 13y ago
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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 isosceles triangle?
There is no exact measure, but 2 sides are congruent which means that 2 angles are congruent.
If a right triangle is also isosceles what the measure of each of its congruent angles?
45°
What is the measure of a base angle of an isosceles triangle if the vertex angle measures 38 and the two congruent sides each measure 21 units?
Well, I know the other angles are 71. But idk how to get the base. cause inside, a triangle must be 180 degrees. so you take 180 - 38, and get 142. then you take 142 divided by two, because in an isosceles triangle two sides are congruent. then you get 71. The legs are 21, but what's the base?!
Is an isosceles triangle always 45-45-90?
No. The only requirement for a triangle to be a 45-45-90 triangle is for it to have at least two congruent sides/angles. The measure of the two congruent angles can be anything.
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).
In an isosceles triangle two angles are?
congruent/equivalent in measure
What is the measure of isosceles triangle?
There is no exact measure, but 2 sides are congruent which means that 2 angles are congruent.
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?
Each of the base angles measure 71 degrees
If a right triangle is also isosceles what the measure of each of its congruent angles?
45°
What triangle is formed with three sides of different lengths?
A scalene triangle. In a scalene triangle, there are no congruent sides or angles. In an isosceles triangle, at least two congruent sides and angles. In an equilateral triangle, all three sides and angles are congruent, with angles that always measure sixty degrees. Note: an equilateral triangle also classifies as an isosceles triangle, as it meets the definition of an isosceles triangle mentioned above.
If the measures of two angles of an isosceles triangle are what is the measure of the third angle?
63
What is the measure of a base angle of an isosceles triangle if the vertex angle measures 38 and the two congruent sides each measure 21 units?
Well, I know the other angles are 71. But idk how to get the base. cause inside, a triangle must be 180 degrees. so you take 180 - 38, and get 142. then you take 142 divided by two, because in an isosceles triangle two sides are congruent. then you get 71. The legs are 21, but what's the base?!
Is an isosceles triangle always 45-45-90?
No. The only requirement for a triangle to be a 45-45-90 triangle is for it to have at least two congruent sides/angles. The measure of the two congruent angles can be anything.
What is the measure of each base angle of an isosceles triangle if its vertex angle measures 40 degrees and its 2 congruent sides measure 25 units?
Length of sides is irrelevant. Angles are ((180 - 40)/2) ie 70o
What is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 53 and its congruent sides each measure 15 cm?
It is: 180-(2*53) = 74 degrees.(Note that the side length doesn't matter.)
What is the name of a triangle which 2 sides measure 5.1 km and one side measures 8.3 km?
An Isosceles Triangle
