Question

Tolong jawab sekarang

Answer 1

1
sudut KLB = sudut ALM krn bertolak blkg
sudut NMC = sudut DML krn brtolak blkg
sudut DML = sudut MLB krn bersebrangan

brarti sudut ALM = 2x + 30
sudut MLB = 3x + 40
itu kan ud segaris, jdi 2x + 30 + 3x + 40 = 180
5x + 70 = 180
5x = 110
x = 22

2
sudut A = 30
sudut B kl dri keliatanny kayany 90
sudut ACB = 180 - (30 + 90) = 60
(1 segitiga total sudutny itu 180)
sudut ACD = 180 - 60 = 120

3
10/30 = 5/5+x
1/3 = 5/5+x
5 + x = 15
x = 10

4
w = 180 - 85 = 95
x = 180 - (85 + 35) = 60
y = 180 - 60 = 120
z = 180 - 35 = 145

5
(6x - 2) + (5x + 11) + (7x + 9) = 90
18x + 18 = 90
18x = 72
x = 4