Examples of area of plane shapes - page 31 of 135
Number of problems found: 2697
- Windows
Calculate the area of masonry needed to build a wall measuring 18 m × 5 m that has 3 windows each measuring 51 cm × 51 cm. - Right isosceles
Calculate the area of an isosceles right triangle whose perimeter is 26 cm. - Triangle
Calculate the area of right triangle ΔABC if one leg has length 12 and the angle opposite to it is 47°. - Pipeline
By what percentage does the cross-sectional area of a pipe decrease if the circular cross-section is replaced by a square with the same perimeter? - Garden
How many steps of 64 cm each are needed to walk around the perimeter of a square garden with an area of 1.5 ha? - Father and son
A father and son are 74 years old together. The son is 30 years younger than the father. How old is the son? - Rectangles
Calculate how many rectangles of size 1 × 4 cm can be cut from a sheet of paper measuring 60 cm × 13 cm. - Garden
A trapezoid-shaped garden has parallel sides of 19 m and 24 m. Its area is 193.5 square metres. What is the height of the trapezoid? - The classroom 3
The classroom needs a new floor. Its dimensions are 34 1/2 feet by 36 1/2 feet. Find the area of the classroom. SIMPLIFY. - Calculate rhombus
Calculate the height of the rhombus ABCD on side BC if AB=7 cm, BC=5.5 cm, and the height of the first side on AB=4.4 cm. - Parallelogram area perimeter
Calculate the area of a parallelogram if we know the perimeter is 23 cm, the diagonal is 8.5 cm, and one side is 1.5 cm longer. - Triangle Euclid parameters
Using Euclid's Theorems and Pythagoras' Theorem, complete the following parameters describing a right-angled triangle ABC with a right angle at vertex C if we know b=10, cb=8 - Water pressure bottom
The hydrostatic pressure at the bottom of a cylindrical water container is 10 kPa. The bottom has an area of 0.25 m². How much pressure does the water exert on the bottom? - Trapezoid crossbar height
Calculate the middle crossbar of a trapezoid whose area is 111.8 cm² and height 6.5 cm. - Pool plan scale
A 16 m² swimming pool has an area of 1 m² on the city plan. What is the scale of the city plan? - Plot fence mesh
The area of the rectangular plot with a length of 70 m is 2100 m². How many meters of mesh is needed to fence it if the inserted sheet metal gate is 1.5 m wide? - Plot map area
On a map with a scale of 1:30,000, the plot is represented by a square with a side of 6 cm. What is the area really like? How many times is the actual plot larger than its image on the map? - Square circle difference
A circle is inscribed in a square with a side of 12 cm so that it touches all its sides. Calculate the difference between the area of the square and the circle. - Diamond diagonal area
The KLMN diamond has a circumference of 32 cm, and the intersection of its diagonals is 3 cm away from the LM side. What is the area of the diamond? - The crane
The construction crane has a 20 m long arm. What construction area in ares can it handle from this crane if it rotates around its axis?
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