Question

17. Find the value of x from the figure given below.
(
(5x + 9)
III
(6x - 40),
(3x + 15)
​

Answer 1

Answer:

$(5x + 9) + (6x - 40) + (3x + 15) = 180 \: (straight \: line \: angles \: )$

5x+9 + 6x-40 + 3x+15 = 180°

=> 5x+6x+3x + 9-40+15 = 180°

=> 14x + 24-40 = 180°

=> 14x-16 = 180°

=> 14x = 180+16

=> x = 196/14

=> x = 14. ans....