Step-by-step explanation:
By Cosine rule, we have
s² = t² + u² - 2(t)(u)(cosS)
=> cosS = (t² + u² - s²)/2tu
=> cosS = (58² + 27² - 50²) / (2 * 58 * 27) = 0.5086.
Therefore S = cos^-1(0.5086) = 59.4° (1d.p.)
x/3 = 5
If you multiply both sides by 3, you get
x = 15
Answer:
80
Step-by-step explanation:
DAB =DAC...........
Answer:
x = 1/9m good luck........
