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One can learn how to calculate the angles of a triangle using sinc functions by enrolling in a pre-algebra, trigonometry, or algebra math class. These angles can be calculated by learning how to from a teacher proficient in mathematics and with one's own scientific calculator.
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The sum of all the angles of a triangle?
The sum of all the interior angles of a triangle is 180 degrees while the sum of the exterior angles is 360. you can calculate for the measurements of the interior angles of a polygon by using the formula S=(n-2)(180) where n is the number of sides
How do you find angles in a triangle using only the lengths?
By using trigonometry
How do you find the perimeter of an obtuse triangle using the angles?
measure with an protacter
How do you find the measure of a angle on a triangle?
You can measure it. Or you can calculate it based on something else you know about the triangle; for example: * If you know the measures of the other two angles, use the fact that the sum of all three angles is 180°. * If you know the length of all three sides, you can find the angles using the law of cosines. Or basic trigonometry, if you also know that one of the angles is a right angle. * If you know something else about the triangle, you may or may not have enough information to calculate the measure of an angle. In that case, I suggest you ask a specific question, stating what you know.
How can you classify triangles using angles and using sides?
Using angles and sides:All three angles equal. This implies that all three sides are of the same length. The triangle may be known as an equiangular triangle but, more commonly, equilateral triangle.Two equal angles, which implies that two sides are equal. The triangle is an isosceles triangle.All three angles (and therefore sides) are different. This is known as a scalene triangle.Using angles only:If all angles are less than 90 degrees it is an acute angles triangle.If one angle is 90 degrees, a right angled triangle.If one angle is greater than 90 degrees then an obtuse angled triangle.
