Answer:
6km
Step-by-step explanation:
Area of circle = πr²
Where r = radius, π= 3.14, A = 28.26km²
A = 3.14 x r²
3.14 r2 = 28.26
Divide both sides by 3.14
r²= 28.26/3.14
r² = 9
Square root both sides
r= √9
r= 3
Radius = 3km
Note : Diameter = 2 x radius
Diameter = 3 x 2
Diameter = 6km
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Answer:
A biologist samples and measures the length of the fish in a lake. What is the level of measurement of the data? Select the correct answer below:
nominal
ordinal
interval
ratio
Answer:
Step-by-step explanation:t the balance illustrates the difference between mass and volume. ... Mass and volume are two units used to measure objects. Mass is the amount of matter an object contains, while volume is how much space it takes up.
80. this is bc the triangle must add up to 180 and 60+40=100
