Find the value of the angle of a triangle if it is known that it is equal to 5/9 the sum of all the angles of the triangle.
April 11, 2021 | education
| The sum of all the angles of a triangle is 180 °. To find the value of the angle we need, we need to find how many degrees are 5/9 of 180 °. Let’s write the required angle as x.
x = 180 ° * 5/9.
x = (180 ° * 5) ÷ 9.
x = 100 °.
Answer: The angle of the triangle is 100 °.
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