Answer:
The rate is the distance divided by the time.
60 feet in 10 seconds = 60 ft / 10 sec = 6 ft / sec
42 feet in 6 seconds = 42 ft / 6 sec = 7 ft / sec <--- We have a winner!
Step-by-step explanation:
Answer:
∠ADC and ∠EDG are vertical angles
Just remember that
1meter=100 cm
81.66m=81.66*100=8166 cm
Answer:

Step-by-step explanation:
The perimeter is two times width plus two times length:

There is no way to simplify further.
Answer:

Step-by-step explanation:
It is given that triangle AOC intersects a circle with center O, side AO is 10 inches and the diameter of the circle is 12 inches, thus
OC is the radius of the circle and is equal to
.
Now, From ΔAOC, using the Pythagoras theorem, we get

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