the diagram shows a sector of a circle with centre o. the radius of the circle is 8 cm. the point p on oa is such that 2op=3qr a
nd the point q on ob is such that 4oq=3qb. given that angle aob =0.8 radians. calculate giving your answer correct to 2 decimal places. a)the length of the arc ab. b)the length of the line pq. c)the area of the shaded region
1 answer:
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Answer: n=4
Step-by-step explanation:
add 9 to both sides
divide both sides by -9
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Answer:
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
- Left to Right
<u>Algebra I</u>
Coordinate Planes
- Coordinates (x, y)
- Slope Formula:
Step-by-step explanation:
*Note:
Rate of change is slope.
<u />
<u>Step 1: Define</u>
<em>Identify.</em>
Point (-1, -1)
Point (1, -1)
<u>Step 2: Find slope </u><em><u>m</u></em>
Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>.
- Substitute in points [Slope Formula]:
- [Order of Operations] Simplify:
- Simplify: