This is TRUE. The sum of the exterior angles of a pentagon do equal 360°.
Answer:
the answer is 50
Step-by-step explanation:
180-130=50
Answer:

Step-by-step explanation:
Let
x ----> the average depth of the resulting layers of ash and rock
we know that
To find out the average depth, divide the cubic kilometers of molten rock by the area where all the ejected material fell.
so

Convert to meters
Remember that

so

Convert to mixed number

Answer:
12
Step-by-step explanation: