I think you have to multiply across.
Answer:
C. 647 square units
Step-by-step explanation:
To find the shaded area, subtract the area of the unshaded square from the area of the octagon.
<u>Area of the octagon</u>
where:
- n = number of sides
- l = length of one side
- a = apothem
Given:
Substitute the given values into the formula and solve for A:
<u>Area of the square</u>
<u>Area of the shaded region</u>
= area of the octagon - area of the square
= 815.88 - 169
= 646.88
= 647 square units (nearest square unit)
Answer:
and x=9
Step-by-step explanation:
We can see that the triangle is a special triangle or isosceles triangle meaning that two angles/ two sides are the same.
To solve for x use Pythagorean Theorem.
a^2 + b^2 = c^2.
Answer:
Step-by-step explanation:
GIVEN: A hotel charges a annual fee plus an additional for each night you stay there.
TO FIND: average cost per night if you stay at the hotel for nights.
SOLUTION:
Annual fee charged by hotel
amount charged each night we stay there
Total number of nights we stay
Total amount paid for nights
Total amount paid
average cost per night
putting values,
average cost per night
Hence average cost per night if we stay at hotel for days is
Answer:
2/6 of a pound
Step-by-step explanation: