Question

the angles of a traingle are x°, (x+10°), and ( x+20°). find the value of x and the angles​

Answer 1

☆ [ Sum of all angles of a Triangle is equal to 180° ]

♤ x + ( x + 10 ° ) + ( x + 20 ° ) = 180°

♤ x + x + 10° + x + 20° = 180°

♤ 3x + 30° = 180°

♤ 3x = 180 - 30

♤ 3x = 150

♤ x = 150/ 30

♤ x = 5

Answer 2

Step-by-step explanation:

$x + (x + 10) + (x + 20) = 180 \\ = > 3x = 180 - (10 + 20) \\ = > 3x = 180 - 30 \\ = > 3x = 150 \\ = > x = \frac{150}{3} \\ = > x = 50 \\ \\ = 50 + 60 + 70 = 180$

here you go

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