Question

Three angles of a triangle are 3x+5°, x+20°, x+25°. Then the measure of each angle is...
(a) 839,46°,51°
(b) 90°,450,45°
C 50°,409.900
(d) 100°,309,50°

Answer 1

Answer:

option (a) = 81°, 46°, 51°

but you have written option (a) incorrect

Step-by-step explanation:

solve for X

3x+5 + x+20 + x+25 = 180°

5x+50=180°

5x = 130°

x = 26°

Now substitute the answer

3x+5 = 3×26+5

= 78+5

= 81°

x+20 = 26 + 20

= 46°

x+25 = 26 + 25

= 51°

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