Question

33°
87°
х
у
y = [ ? 10
Enter

Answer 1

x= 60° y= 120°

Explanation:

The sum of the sizes of a triangle's angles equals 180°

• x+87+33= 180
• x+120 = 180
• x= 180-120
• x = 60°

y+x = 180 ⇒ y = 180-x = 180-60= 120

Answer 2

y = 120

Explanation:

The exterior angle of a triangle is equal to the sum of the opposite interior angles

y = 33+87

y = 120