Answer:
x = 75 degree
Step-by-step explanation:
Angle between C and B must equal 90 degree.
90- 15 equal 75 degree.
Knowing this angel C and E is equal to angel F and D
19.75-6.4=13.35
now 13.35-4.36=8.99
the third piece is 8.99 meter long
Answer:
1
Step-by-step explanation:
0.79 is more than half, so rounds to 1.
Answer:

Step-by-step explanation:

It is a function because the input does not repeat itself.