Question

The angles of a triangle are (x+21)°,x° and (2x-45)°. Find the value of x.




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Answer 1

Answer:

X+21+X+2X-45=180

SINCE SUMM OF ANGLES IN TRIANGLE IS 180

4X+21-45=180

4X-24=180

X-6=45

X=51

Step-by-step explanation:

Answer 2

Answer:

68°

Step-by-step explanation:

(x+21)°+x°+(2x-45)°=180°

3x-24°=180°

3x=180°+24°

x=204°/3

X=68°