Question

11) The angles of a triangle are x, y and 40°. The difference between the two angles x and y is 30°. The values of x and y are 0 55° and 85° O ° 45° and 35°​

Answer 1

Step-by-step explanation:

the values of x and y are 55° and 85°

Sum of angles of triangle = 180°

So, x + y + 40°= 180°  -------------------(i)

Now assume that y = x + 30° --------(ii)    [ you can also assume x = y + 30°]

substituting value of y in (i), we get

x + (x + 30°) + 40°=180°

2x + 70° = 180°

x = 55°

put value of x in (ii), we get

y = 55° + 30°

y = 85°

Hence, x = 55° and y = 85°

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