Question

Two angles of a quadrilateral measure 170° and 40°. The other two angles are in a ratio of 2:13. What are the measures of those two angles

Answer 1

Step-by-step explanation:

let other two be 2x and 13x

40+170+2x+13x=360°

210+15x=360

15x=360-210

15x=150

x=10

2x=20

13x=130

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Answer 2

Answer:

other angles are 20 degree and 130 degree

Step-by-step explanation:

Hey mate there is your answer.......

let the other two angles are 2x and 13 x

sum of all angles of quadrilateral =360°

<A + <B + <C + <D=360°

170 + 40 + 2x + 13x = 360°

15x =360 - 210

x = 150/15

x = 10

hence , other two angles are 20° and 130°