Y = 1st angle
X = 2nd angle
Y = 3X - 16
90 = X + Y
90 = X + (3X -16)
Do some algebra and X=26.5
So substitute x back in to find y, and Y=63.5
angle 8 and 5 are supplementary angle
X2+ y2 = 41 [1]
x+ y = 9 --> x = 9- y [2]
Substituindo [2] em [1],
(9- y)^2+ y2 = 81- 18y+ 2y^2 = 41
2y^2- 18y+ 40 = 0
(y- 5)(2y- 8) = 0
y1 = 5
y2 = 4
Substituindo em y1 e y2 em [2],
x1 = 4
x2 = 5
Resposta: 4 e 5 (ou 5 e 4, que dá na mesma)
Answer:
8.8 tsp
Step-by-step explanation:
4/5=x/11
cross multiply
44=5x
44/5=x
x=8.8