is a triangle with 2 congruent sides and one with a measure of 90 degrees an isosceles triangle? i mean im pretty sure it is but just want to be sure! thanks!
2007-11-27 09:08:18 · 7 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
thanks for your help!
2007-11-27 09:16:40 · update #1
yes, any triangle with two congruent sides is isosceles
2007-11-27 09:12:05 · answer #1 · answered by Anonymous · 0⤊ 0⤋
A triangle with 2 congruent sides is always an
isosceles triangle. The 90 degree restriction
is not necessary
2007-11-27 09:19:00 · answer #2 · answered by steiner1745 7 · 0⤊ 0⤋
Yes.. Whether it has a measure of 90 degrees or not, an isosceles triangle is a triangle that has two sides which are congruent.
2007-11-27 09:12:15 · answer #3 · answered by Jeƒƒ Lebowski 6 · 0⤊ 0⤋
Yes, an isosceles triangle is just a triangle that as at least 2 congruent side, or 2 equal angles
2007-11-27 09:12:39 · answer #4 · answered by Ari R 3 · 0⤊ 0⤋
Yes, it is. Here, the two congruent sides are the legs of the right triangle. The angle 90 is the vertex angle. The two base angles are both equal to 45 degrees.
It's not possible for one leg and the hypotenuse of the right triangle to be congruent because in that case it's no longer a right triangle.
teddy boy
2007-11-27 09:18:23 · answer #5 · answered by teddy boy 6 · 0⤊ 1⤋
You can find the angle measures of the other two angles by taking the difference of 180 and 86 and dividing that by 2 leaving you with 47. Now you have the degree measures of all the angles and a side measure. You can find the length of the side using the Law of Sines. 14/sin 86 = x/sin 47. Solve for x. The end.
2016-04-06 01:05:45 · answer #6 · answered by Anonymous · 0⤊ 0⤋
yes...
in fact it is a 45-45-90 triangle...
2007-11-27 09:11:56 · answer #7 · answered by sayamiam 6 · 0⤊ 0⤋