A construction crew has just finished building a road. The road is 10 5/6 kilometers long. If the crew worked for 5 days, how ma
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Answer:
m∠DBC = 51°
Step-by-step explanation:
<u>Circle Theorem vocabulary</u>
- Chord: A straight line joining two points on the circle.
- Inscribed angle: The angle formed when two chords meet at one point on a circle.
- Intercepted arc: The arc that is between the endpoints of the chords that form the inscribed angle.
<u>Inscribed Angle Theorem</u>
The measure of an <u>inscribed angle</u> is half the measure of the <u>intercepted arc</u>.
Therefore:
Learn more about the Inscribed Angle Theorem here:
Equation is converted to
<u>Step-by-step explanation:</u>
We need to complete the square to transform the expression x^2+4x+2 into the form a(x-h)^2+k . Let's do this :
We have , following equation to convert as :
⇒
⇒
⇒
⇒
⇒
Comparing this to equation a(x-h)^2+k we get :
Therefore , Equation is converted to
.