Prev Article Next Article (Last Updated On: January 28, 2020)  Problem Statement:If the angles of a triangle are 2x, x + 15, and 2x + 15, find the smallest angle in mils. Problem Answer:The smallest angle in mils is 800 mils Latest Problem Solving in Plane Trigonometry ProblemsMore Questions in: Plane Trigonometry Problems Online Questions and Answers in Plane Trigonometry ProblemsMCQ in Plane Trigonometry Problems Prev Article Next Article
Question 3 Revision Exercise Next
Answer:
Solution: Ratio in angles of a triangle is 3 : 5 : 7 But sum of angles of a triangle = 180° Sum of ratios = 3 + 5 + 7 = 15 First angle = \frac{180^{\circ}}{15}\times3=36^{\circ} Second angle = \frac{180^{\circ}}{15}\times5=60^{\circ} Third angle = \frac{180^{\circ}}{15}\times7=84^{\circ} Angle of the triangle are 36° , 60° and 84° .
Video transcript "Hello, welcome to lido homework today. We're going to see the angles of a triangle are in ratio these 2527 spine each angle. So it means that 3x plus 5x plus 7 x is going to be a 180 degrees. Then the ratio means parity means is a complete sum of the angles of a triangle. So it's going to be plus 7 is 15 x equal to 180. So what is the angle of each x equal to 1 j z by 60 So value of x is Value of x he's okay contact us directly 20 by 15 so science teacher 15 facility and teased by age of 45 is a 25 to 33. 1032 Alta. 12 case is going to be to Elliot. So 3 into X is equal to 3 into 2 L 2 L together 36 is one another thing 5 into X is 5 into 12 12 is 60 is 1 This is what I've seen you this one 7x paint 7 into to develop an idea how much you know 84 degrees. I hope you understood this video subscribe to the channel to get updates if you have any questions in the comment section. Thanks for watching this video. "
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The angles of a triangle are in the ratio 3:5:7 what is the measure of the smallest angle in mils
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