Answer:
The measure of angle CDA is 
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
In the right triangle ABF
Applying Pythagoras Theorem
In the right triangle CED
so
substitute the values
Answer:
420 inches or 35 feet of trim is needed for 5 desks.
Step-by-step explanation:
We know that one desk requires 84 inches, so we need to find out how many inches are needed for 5 desk.
If we know one desk needs 84 inches then we have 1 desk = 84 inches.
To get 5 desk, we need to multiply both sides by 5.
1 desk = 84 inches. (multiply by 5 for both sides)
5 desks = 84 * 5
5 desks = 420 inches
We know now that 5 desks require 420 inches, but many people use feet instead.
There are 12 inches in 1 foot, so we need to divide 420 inches by 12 inches to get how many feet we need.
420/12 = 35 feet.
Hope this helps!
Circumference Formula: 2pi x r
Radius = 20.5
Plug it in:
2(3.14) x 20.5
6.28 x 20.5 = 128.74
Then, convert to pi terms.
128.74 = 41 pi
Therefore the circumference of a circle with a radius of 20.5m is 41pi.
Ok so the answer is 189 books. It states Sam has 21 books and it says Mary has 9 times more than Sam. So when you see the word times you multiply. 21 times 9 is 189. I hope this answer helps and remember to mark as brainliest answer! :)
Answer:
12.5 ≥ s >0
Step-by-step explanation:
The perimeter of a square is given by
P = 4s where s is the side length
50 ≥ 4s
Divide each side by 4
50/4 ≥ 4s/4
25/2 ≥ s
12.5 ≥ s
