Since a sector is a fraction of a full circle, the ratio of a sector's area A to the circle is equal to the ratio of the __central angle__.
The proportion can be written as A/ πr² = ∅/ 2π.
Multiply both sides by πr² and simplify to get ∅/2 * r²
Prime factors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, and 400.
Square root: √400=√20^2=20
Answer:
5
Step-by-step explanation:
<u>P</u>arenthesis
<u>E</u>xponents
<u>M</u>ultiplication
<u>D</u>ivision
<u>A</u>ddition
<u>S</u>ubtraction
<em><u>Following the order, first is parenthesis:</u></em>
3 · 5 - 2(5)
<em><u>Multiplication:</u></em>
15 - 10
5
Answer:
76
Step-by-step explanation:
40+5=45 is written in extended form so your answer is 45