If you have a right triangle and one angle in the triangle is 45 degrees, the other would have to be complementary (an angle that adds up to another to form a right angle) so the other angle would have to be 45 degrees to make that a right angle 90 degrees. So complementary angles are two angles that add up to equal 90 degrees.
Your answer is -8.5
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First we find X:
3x+x=180
4x=180
x=180/4
x=45.
3x=135
135+y=180
y=180-135
y=45
45+z=180
z=180-45
z=135
In conclusion, x=45, 3x=135, y=45 and z =135
Also note that the opposite angles are equal so you can just find 3x and that will be equal to z and x will be equal to y.
Hope this helped
Answer:
6q + 2
Step-by-step explanation:
4q + 2 % = 6q
3 - 1 = 2
6q + 2
Answer:
Variance = 73.96 
Step-by-step explanation:
We are given that standard deviation is 8.6 kg.
Now, Variance formula = 
= 
= 73.96 .
