Answer:
Pentagon and I think the area is 19.89 so if you round it, that will be 19.9
Answer:



Step-by-step explanation:
Given
See attachment for triangle
Required
Find
and
of angle Y
For angle Y:


The
of an angle is calculated as:

So:

The
of an angle is calculated as:

So:

The
of an angle is calculated as:

So:

We have to add 8/15 to 2/5.
To add two fractions we have to make them have the same denominator, so we have to convert 2/5 to have a denominator of 15. To do this, we have to multiply 2/5 by 3 and then we can add the fractions:

Answer: 14/15
Answer:
13.
Step-by-step explanation:
x+x+5=21
2x+5=21
2x=16
x=8