Answer:
30 degrees
Step-by-step explanation:
Already did the solving in one of your previous questions.
Answer:
David might be 40
Step-by-step explanation:
Brianna = 20 + 20 = 40 = David
James = 10 x 2 = Brianna
David = 40 - 20 = Brianna
Answer:

Step-by-step explanation:
You want to find the length of AZ.
Create a new point W at (3, -1).
Then we can make a new right triangle AWZ in which AZ is the hypotenuse.
We can apply Pythagoras' Theorem.

Area of the pentagon: 342 cm2
Step-by-step explanation:
The figure of the pentagon is missing: find it in attachment.
The area of the pentagon can be seen as the area of 5 equal triangles, each of them having a base equal to the length of the side of the pentagon,
L = 14.1 cm
and the height of each triangle can be found by using Pythagorean's theorem:

The area of each of the 5 triangles is

Therefore, the area of the pentagon is 5 times this area:
Learn more about area of regular figures:
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Answer:
Step-by-step explanation:
I don't really understand miles, because i live in a country where we use kilometres, but what you could do is divide a mile by 3, times the answer by two , and then times that answer by 12.
hopefully this helps!!