Question

As figuras seguintes nos mostram ângulos adjacentes complementares. Calcule o valor de x:

Answer 1

a) 90°-40=X

50=X

b) X-10+X+30=90

2X=90+10-30

2X=70

X=70/2

X=35

c)2X+3X=90

5X=90

X=90/5

X=18