Area - practice problems - page 9 of 161

Number of problems found: 3206

A sandbox
3/4 a sandbox has an area of 20 square feet. The length is 6 1/2 feet. What is the width of the sandbox?
Body mass index
Compute for BMI, then classify: Nr; weight ; height 1; 35 kg ; 1.25 m 2; 40 kg; 1.40 m 3; 50 kg; 1.75 m 4; 55 kg; 1.65 m 5; 63 kg; 1.23 m
A piece 7
A piece of dry ice is in the shape of a cube with edge lengths of 7 cm. Find the surface area of the dry ice.
Three 222
Three tractor drivers working on a private farm together plowed 24 hectares of land in a shift. The first drive played half the second, and the second 4 hectares more than the third. Calculate the number of hectares plowed by the first, second and third.
Distributive property 2
Show with a drawing that 5 × (6 + 2) = 5 × 6 + 5 × 2. What is the name of this property?
Cutting paper
Jodi is cutting out pieces of paper that measure 8 1/2 inches by 11 inches from a larger sheet of paper that has an area of 1,000 square inches. What is the area of each piece of paper that Jodi is cutting out?
The 738
The area of a rectangular garden is 2400 sq m. Find the width of the garden if its length is 40 m.
A triangle 8
A triangle has a base of 9.2 feet and a height of 4.8 feet. What is the area of the triangle?
The area 3
The area of a rectangle is given by the expression 4x² + 5x -6. What is the length of the rectangle if its width is x+2?
Area 68
The area of a square is 49 cm². Find side a, then the perimeter of the square.
Diameter 132
The base diameter of a cylinder is 2 m and its total surface area is 34.54 m². Calculate the base radius, height, and volume of the cylinder.
Garden 3
A garden pool in the shape of a cylinder with a base diameter of 300 cm contains 25 hectolitres of water. How deep is it if the water level is 10 cm below the rim of the pool?
Drinking trough
A drinking trough for cattle is in the shape of a half-cylinder, 2 metres long with a diameter of 80 cm. How much sheet metal is needed to make it, given that an additional 12% of material is added for joints?
Wall 8
A wall is 2.8 m high and 4.5 m wide. What is its area in m²?
Calculate 258
Calculate the volume and surface area of a prism with a trapezoidal base and a height of 9 cm. The base is an isosceles trapezoid with parallel sides of 3 cm and 6 cm, legs of 2.5 cm, and a height of 2 cm.
Deep pool - bottom
A pool is 25 m long and 12 m wide. In one half of the pool, the depth is constant at 1.8 m; in the other half, the bottom slopes gradually up to a depth of 1.2 m. What is the total area of the pool bottom?
Plot - wire mesh
In your yard, you want to build a garden that you want to fence. On the boundary of the plot, a fence 16 meters long is built. We have no more wire mesh for the fence. What area in square meters will the fenced garden have if it has the shape of a rectang
Dielectric change
An air capacitor with flat parallel plates has a capacitance of C₀ = 10 pF and a plate separation of d = 1 cm. A dielectric sheet of thickness Δ = 1 mm is inserted midway between the plates. What will be the capacitance of the device? (Edge effects may be
Conductor - induction
A conductor consisting of two circular loops with radii R = 5 cm is placed in a magnetic field with induction B = 0.6 T perpendicular to the field direction. What is the electromagnetic voltage induced in this conductor when the magnetic field disappears
Asphalt - rolling
A road roller has a diameter of 80 cm and a width of 1.2 m. How many square metres of road does it roll if it makes twenty full rotations?

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