Area of decagon is given by:
Area=1/2(nsr)
where:
n=number of sides
s=side length
r=height
thus the area will be given by:
Area=1/2(10*4*6.2)
Area=124 cm^2
Answer:
868.5
Step-by-step explanation: If u devide by groups, you can find the answer.
Answer:

Step-by-step explanation:
Given

---- intensity is 10000 times reference earthquake
Required
The resulting equation
We have:

Substitute the right values

