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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 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.)
If the vertex of an isosceles triangle has a measure of 70 what is the measure of one base angle?
If the vertex of an isosceles triangle has a measure of 70° what is the measure of one base angleANSWER:Isosceles = 2 legs, 1 vertex, 1 baseTriangle = 180°if its vertex measure 70° , 1 leg ____? + 1 leg____? =180° and all isosceles triangle has congruent legs.180°- 70°=110° then 110° divided by 2 =55°=vertex of an isosceles triangle measure 70° and its 2 legs measure 55°
What is the measure of the base angle of an isosceles triangle if the measure of the vertex angle is 42 degrees and the two congruent sides each measure 21 units?
If it is an isosceles triangle then the base angles must be equal angles of 69 degrees because there are 180 degrees in a triangle and 42+69+69 = 180 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).
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 vertext angle measures 36 and the two congruent sides each measure 21 units?
(180 - 36) / 2 = 72
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.
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.
If the measures of two angles of an isosceles triangle are what is the measure of the third angle?
63
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 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?!
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.)
