Answer: a. 90°
Step-by-step explanation:
We know that the in a circle, the measure of an inscribed angle is half the measure of the central angle with the same intercepted arc.
In the problem∠XYZ is the inscribed angle
∠XYZ=
⇒ ∠XYZ=
Since XZ is a diameter of the circle which is a line segment, thus ∠XZ=180°
∴ ∠XYZ=
∴ ∠XYZ=
Therefore, a. 90° is the measure of ∠XYZ.
Answer:
28 units³
Step-by-step explanation:
The volume (V) of the prism is calculated as
V = Al ( A is the area of end face and l is the length )
Here A = and l = , thus
V = × ( cancel 21 and 3 by 3 and 2 and 8 by 2 )
= × = 7 × 4 = 28 units³
Answer:
200 teenagers
Step-by-step explanation:
150÷0.75= 200
checking work:
200•0.75= 150
hope this helps chu <3
Answer:
t = 30m + 50
Step-by-step explanation:
Answer:
1 hour and 3 minutes
Step-by-step explanation:
Each mile is seven minutes
There are nine miles total
Multiply 7 * 9
7 * 9 = 63
It will take this person 63 minutes 1 hour and 3minutes to run 9 miles