1.

(3) The angles of a triangleare( 2x),(3x+5),(4x-14)Find the angles​

Answer»

ANSWER:

SUM of ANGLES of a triangle=180

=2x+(3x+5)+(4x-14)=

=2x+3x+4x+5-14=180

=9x-9=180

=9x=180+9

=x=189/9

=x=21

2x=2×21=42

3x+5=3×21+5=63+5=68

4x-14=4×21-14=84-14=70



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