Find the area of the large rectangle by finding the area of the two small rectangles and adding them.
2 answers:
Answer:
Area of the given figure is 21 square units
Step-by-step explanation:
Area of the rectangle formula is length times width
Area of the top rectangle
Length = 5 and width = 3
So area of top rectangle =5 times 3 is 15 square units
Area of bottom rectangle
length =2 and width =3
So area of bottom rectangle is 2 times 3 is 6 square units
Total area = square units
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Answer:
Step-by-step explanation:
We have been given that when a cylindrical tank is filled with water at a rate of 22 cubic meters per hour, the level of water in the tank rises at a rate of 0.7 meters per hour. We are asked to find the approximate radius of tank in meters.
We will use volume of cylinder formula to solve our given problem as:
, where,
r = Radius,
h = Height of cylinder.
Since the level of water in the tank rises at a rate of 0.7 meters per hour, so height of cylinder would be meters at
.
Upon substituting these values in above formula, we will get:
Now, we will take positive square root of both sides as radius cannot be negative.
Therefore, radius of tank would be approximately square root of 10 m.