Question

determine x, sabendo que os ângulos são complementares:

Answer 1

4x + 8x + 6x = 90
18x = 90
x = 90 ÷ 18
x = 5
4 × 5 = 20
8 × 5 = 40
6 × 5 = 30
20 + 40 + 30 = 90