X - 35 +130 + x - 5 + x - 30 + 75 = 540
3x +135 = 540
3x = 405
x= 405/3
x= 135
m<B = x - 5
m<B = 135 - 5
m<B = 130
Answer:
The length of CD is 8 units
Step-by-step explanation:
<u><em>The complete question in the attached figure</em></u>
we know that
According to the Right Triangle Altitude Theorem,

substitute the given values


solve the quadratic equation by graphing
The solution is x=8 or x=-6
see the attached figure N 2
Discard the negative length.
therefore
The length of CD is 8 units
Answer:
it is 12
Step-by-step explanation:
because 40 x 30
100
= 12
Answer:
21 days in total
Step-by-step explanation: