Practice problems of the area of a shape - page 17 of 107
The area is the quantity that expresses the extent of a two-dimensional shape. The area can be understood as the amount of paint necessary to cover the surface with a single coat. The area of a shape can be measured by comparing the shape to squares of a fixed size 1 m2 or 1 cm2 etc. Every unit of length has a corresponding unit of area. We can measure areas in square meters (m2), square centimeters (cm2), square millimeters (mm2), square kilometers (km2), square feet (ft2), square yards (yd2), square miles (mi2), and so forth.The area of a shape is the “space enclosed within the perimeter or the boundary” of the given shape.
Number of problems found: 2129
- Pipeline
How much percent has changed (reduced) the pipe cross-section area if the circular shape changed to square with the same perimeter? - Circle
How big is an area of a circle if its circumference is 51.2 cm? - Circle in rhombus
In the rhombus is an inscribed circle. Contact points of touch divide the sides into parts of length 14 mm and 9 mm. Calculate the circle area. - Square 81238
A forest with a square plan has an area of 4 square km. What side will the square have on a 1:50,000 scale map? - Sequence 80450
How many terms does the sequence have if a1=4, Sn=589, d=3, n=? - Circumference 72414
Calculate the diagonal and the area of a square if its circumference is 10 centimeters. - Percentage 58703
In the park, with an area of 1413 m2, there is a circular fountain with a diameter of 6 m. What percentage of the park does the fountain occupy? - Parallelogram 43601
Calculate the area and perimeter of a parallelogram if a = 5.2cm Va = 4cm (it is a parallelogram, not a triangle) - Smallest 32811
Which diamond with a side length of 7.5 cm has: a / largest area, b / smallest area - Times 12001
How many times is 5 dm² less than 100 m²? - Containing 8340
Calculate the perimeter of a square containing 9 acres. - Calculate 7327
Calculate the area of a rectangle measuring 4m and 120dm in cm square. - Calculate 6951
Calculate the missing dimension in the rectangle if you know: S = 51.66 square meters, and = 8.2 square meters - Calculate 6930
Calculate the diameter of a circle whose area S = 78.5 cm². - Perimeter 6254
Perimeter and area of the rectangle. Diagonal 260m and one side 150m - Described 4187
Find the area of the circle that is a) inscribed, b) described 6.32 cm square. - Circumference 3589
Calculate the circle's radius if the circumference and area are in a 2:5 ratio. - One-third 2872
The cycling racetrack has the shape of a circle with an area of 2 ha. How long will a cyclist drive one-third of a kilometer in a perimeter? - Parallelogram
Calculate the area and perimeter of a parallelogram whose two sides are long a=24 cm b=22 cm and height ha = 6 cm long. - Isosceles triangle
Find the area of an isosceles triangle whose leg is twice the base, b=1
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