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1. An exterior angle of a triangle is equal to the sum of the two remote interior angles. 2. Question 15. 3. The exterior angle measure of a regular polygon is 20°. How many sides does the polygon have? 4. If a triangle is an obtuse triangle then it can not be an isosceles triangle.
Answer: The length of the third side of the triangle is 7.63 units. Example 3: In triangle ABC, ∠C = 42° and ∠A = 33°, and the side opposite to angle C is 12.5 units. Find the length of the side of the triangle opposite to angle A. Solution: We have ∠C = 42° and ∠A = 33°, c = 12.5 units. We need to find the side 'a'.
Jul 31, 2024 · That is why both catheti (sides of the square) are of equal length. For those interested in knowing more about the most special of the special right triangles, we recommend checking out the 45 45 90 triangle calculator made for this purpose. Another fascinating triangle from the group of special right triangles is the so-called "30 60 90 ...
The two shorter sides have a total length that is greater than the longest side. 4 + 4 > 5. This means that a triangle can be drawn with the lengths 4 cm, 4 cm and 5 cm. Two sides are the same length.
Jul 18, 2024 · Calculate the triangle side lengths if two of its angles are 60° each and one of the sides is 10 cm. The length of each side is 10 cm. Since two of the angles are 60° each, the third angle will be 180° - (60° + 60°) = 60°. As all the three angles are equal, the triangle is an equilateral triangle.
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The sum of the three angles of a triangle is always 180 o. One of the angles has a measure of 90 o as it is a right triangle. 147∘ + x =180∘ x = 180∘ −147∘ x = 33∘. Simplify. Find the value of x. The third angle of the right triangle measures 33 o. There is an established convention for naming triangles.
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Non-examples of Triangles. The above figures are non-examples of triangles. These shapes cannot be called triangles as – The first figure is four-sided. The second figure is an open shape. The third figure has a curved side. Parts of a Triangle. A triangle has 3 sides. In triangle ABC, the sides are AB, BC, and CA.
