Question

two angle of a triangle are in the ratio 4 : 5 the sum of the angle is equal to third angle find the angle of the triangle ​

Answer 1

Step-by-step explanation:

4x + 5x + x = 180

10x = 180

x = 18

First angle = 4 × 18 = 72°

Second angle = 5 × 18 = 90°

Third angle = 1x = 18°

Answer 2

Answer:

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4x+5x+x=180

10x=180

x=180/10

x=18

Step-by-step explanation:

ur answer is 18