Examples of area of plane shapes - page 24 of 129
Number of problems found: 2563
- Calculate 48073
Calculate the area of the isosceles trapezoid ABCD if a = 14 cm, c = 8 cm, and the size of the angle DAB is 52 °. - Calculate 46541
Calculate the perimeter and the area of a right triangle if a = 6 cm, b = 8 cm, c = 10 cm. - Circular 36163
The circular park has an area of 31400 m². A trail runs across the center of the park. How long is it? - Magnification 21383
When we increased the circle's radius by 2 cm, its area increased by 40π cm². Determine the radius of the circle before magnification. - Cross five
The figure in the picture is composed of the same squares and has an area of 45cm². What is its perimeter? - Circumference 9541
What is the area of the round flowerbed, whose circumference is 62.8 m? How many edges does it have? - Rectangular 9401
Matrix E is a rectangular matrix that contains 48 elements and four rows. How many columns does this matrix have? - A trapezoid
A trapezoid is 75 ft wide on top, 85 ft on the bottom, and the height is 120 ft. What is its area in the square yds? - [square] 6565
How many tiles with a side length of 20 cm will cover a square with a capacity of 1 m² [square]? - Football 6056
The football field has an area of 75.75a. What is the width if its length is 101m? - 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? - 3x square
The side length of the square is 73 cm. How many times does a square's area increase if the side's length increases three times? - Rectangle
The area of a rectangle is 893. Its length is 28 larger than the width. What are the dimensions of the rectangle? - Trapezoid - hard example
Bases of the trapezoid are: 24, 16 cm. Diagonal 22, 26 cm. Calculate its area and perimeter. - Reduced - rectangles
The dimensions of the rectangle are a = 42 cm, and b = 91cm. Determine the perimeter and area of the rectangle, which is reduced in size compared to the original rectangle in the ratio 6:7. - Two conductors
Two conductors have resistance Rs=5 ohms when connected in series and Rp=1.2 ohms when connected in parallel. Calculate the value of the resistors. - Mis Harding
Mis Harding will change her tiles; the yards are 2 1/2 yards and 2 1/2 yards on the side. What is her area A 6 1/4 B 4 1/2 C 8 1/2 D 5 1/4 - The crane
The construction crane has a 20m long arm. What construction area in ares can it handle from this crane if it rotates around its axis? - Goat's pen
Savannah built a rectangular pen for her goat that was 20 yards long and 15 2/5 yards wide. What is the area of this pen? - Circular segment
Calculate the area of a circular segment if the radius r = 80 cm and the central angle is α = 110°.
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