The measure of each angle of angle ABC is equal to the corresponding angle of angle A' B' C' when angle A' B' C' coincides with the other three triangles. The measures of the angles of the triangle are preserved as the figure rotates.
The angle measures of ABC and the other triangles are the same measures, and the side lengths in ABC and the other triangles are the same lengths when ABC coincides with them. It appears that angle measures and side lengths are both preserved when ABC is rotated.
An angle measure in geometry is the length of the angle created by two rays or arms meeting at a common vertex. Using a protractor, angles are measured in degrees (°). Fun facts Joseph Huddart created the protractor in 1801. It was a more advanced protractor.
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Answer:
By 375
Step-by-step explanation:
You have the area of the squares
100 in^2
area of a square = l*w
so length and width of the square both equal 10in
there are 4 squares going across the semi circle so...
diameter of semicircle is 10+10+10+10 =40in and radius is 20in
to find area of semicircle the formula is 1/2 pi r^2
so plug in the numbers 1/2(3.14) (20)^2 = 628 in ^2
now add that to area of big square part of window
40 inches length * 40 inches width = 1600in^2 (or you can just add them all up )
add up the areas now 1600+628= 2228 in^2
i think that is right
Well, when you get the answer to a multiplication problem, you divide your answer to check it, so just do that with the decimals that you multiplied.
For Example:
2 x 3 = 6
6 is your answer, so, do this problem to check it:
6 / 3 = 2
Answer:
b = 10
b = 17
Step-by-step explanation:
Hello!
Usually, when you want two different integer solutions, you probably want the quadratic to be factorable.
So what we want to know is that b should be the sum of the factors in 16.
Factors of 16: 1, 2, 4, 8, 16
Factor pairs:
Factor Sums:
These are our possible b-values.
Check:
Let's try 17 first:
- x² - 17x + 16 = 0
- (x - 16)(x - 1) = 0
- x = 16, x = 1
Now 10:
- x² - 10x + 16 = 0
- (x - 8)(x - 2) = 0
- x = 8, x = 2
And finally, 8:
- x² - 8x + 16 = 0
- (x - 4)(x - 4) = 0
- x = 4, x = 4
Since x = 4 is a repetitive integer, we cannot use 8 as a value for b.
The answers are b = 10, and b = 17.