Answer:
t = 31s
Step-by-step explanation:
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Answer:
A)
Step-by-step explanation:
In order to use the Law of Sines, we must have a known angle and the known side opposite it.
The only side measure we have is that of AB, which is 6.2. The angle opposite this is ∠C, which we do not have the measurement of.
We do have the measurement of ∠A and ∠B; we can use these to find the measure of ∠C. We know that the sum of the measures of the angles in a triangle is 180°; this means
m∠C = 180-(72+85) = 180-157 = 23°
This makes the first ratio in the Law of Sines
We are trying to find the measure of b. This means we use the angle opposite b, ∠B; m∠B = 85°. This gives us the ratio
Together, this gives us the proportion
The reason is that you don't take your time to understand
Answer:
2/3
Step-by-step explanation:
2 (−2/3) (1/2) + 3 (−2/3)^2
= −4/3 (1/2) + 3 (−2/3)^2
= −2/3 + 3 (−2/3)^2
= −2/3 + 3 (4/9)
= −2/3 + 4/3
= 2/3
Answer:
x = 36
y = 108
z = 72
Step-by-step explanation:
Given quadrilateral is a rectangle.
Diagonals of a rectangle are congruent and bisects each other.
x° = 36° (alternate angles)
x = 36
y° = 180° - (36° + 36°) (vertical angles)
y°= 180° - 72°
y° = 108°
y = 108
z° = 36° + 36° (by exterior angle theorem)
z° = 72°
z = 72