Question

If the ratio of angles of a traingle are as 2:7:11, find them.​

Answer 1

Answer:

Let the angles be x

2x+7x+11x=180° ( Angle sum property of triangle)

20x=180°

x=180/20

x=9°

2x=2*9=18°

7x=7*9=63°

11x=11*9=99°

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Answer 2

Answer:

In a triangle sum of all the angles is 180°

(By Angle sum property of triangle)

therefore,

LET FIRSR ANGLE BE

2x

SECOND ANGLE BE

7x

THIRD ANGLE BE

11x

so,

2x+7x+11x= 180°

20x=180°

x= 180°

——

20

x= 9 ------ (i)

putting x=9 in 2x,7x,11x

2×9=18°

7×9=63°

11×9=99°

ALL THE ANGLES ARE

18,63 AND 99

Step-by-step explanation:

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