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1) Find the area of a triangle with base length 8 inch and altitude 9
inch.
2) Find the area of a circle with radius 14 units.
3) Sam needs to determine the area of the parallelogram. If a
parallelogram has a height of 29 yards and its base is 10 yards,
calculate its area.
4) The perimeter of the given figure below is _________
Note: The dotted line shows that the figure is symmetric
5) The two sides of a triangle are 30 units and 16 units. The
perimeter of the triangle is 80 units. Determine its third side.
Area and Perimeter Worksheet 4
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6) The perimeter of an octagon is 192cm. Each side of the octagon is
the same length. What is the length of one side of the octagon?
7) Find the cost of fencing a square field of length 50 m, if each
meter of wire costs $15.
8) Jerry wants to run a string of lights along the edges of a wall. The
height of the wall is 10m and the width is 8 m. If each meter of the
string of lights costs $45, how much must he pay for it?
9) Perimeter of a rectangular hall is 36 feet and it's breadth is 8 feet.
Find out the area of the hall.
10) A room is 21 m long and 5.7 m wide. Entire floor is to be paved
with square tiles whose side is 10 cm. How many tiles will be
needed?
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1. 36 sq. inches
2. 616 sq. units
3. 290 sq. yards
4. 44 inches
5. 34 units
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1. The length and width of a rectangle are
called its dimensions.
2. Circumference is the other name for
perimeter of a circle.
3. Different rectangles may have same areas
but different perimeters. Try finding the
areas and perimeters of rectangles with
dimensions 20 x 20 and 40 x 10.