Answer:
Hello! Mizuki here to help!
The correct answer for problem 9 is B.
The correct answer for problem 10 is also B.
Step-by-step explanation:
<em>Sorry if the work I did is confusing, if you don't get what I did, just comment below and I'll try my best to answer your question!</em>
problem 9 work:
3 x 4 + 5 x 8 + 4 x 8 + 3 x 8 =
12 + 40 + 32 + 24 =
108
problem 10 work:
17 x 24 + 8 x 15 + 15 x 24 + 8 x 24 =
408 + 120 + 360 + 192 =
1080
If you flip the 30-60-90 triangles so they look similar, and find the difference between the length of 60, and the length of 40.
40÷60 =.6666 etc
You can prove this by plugging in
60 •.66666 = 39.9999 or about 40.
The triangle I started with had a length of 60, so just used the tangent of 60° to find the adjacent.
Since we know the relationship of the triangles,
Multiply your answer, 103.923 •.666666
Which equals 69.2819
69.2819 is the length of the 40 triangle.
Add them together, and you get 173.2049.
Or 173.20 m
We have ax - bx = 1;
Then (a - b)x = 1;
If a - b is not 0, then x = 1 / (a-b);
The angle of 1/4 of a circle is given by:
(1/4) * (360) = 90 degrees
We now look for the angle that results from dividing 1/4 of a circle into three equal parts.
We have then:
(1/3) * (90) = 30 degrees.
Answer:
the measure of each part is:
30 degrees
