Rearrange variables - math word problems - page 116 of 147

Number of problems found: 2922

Rhombus sides
Find the sides of a rhombus; its area is 550 cm², and its altitude is 20 cm.
Truncated cone 3
The surface of the truncated rotating cone S = 7697 meters square, the substructure diameter is 56 m and 42 m, and the height of the tang is found.
View angle
At a distance of 10 m from the river bank, they measured the base AB = 50 m parallel to the bank. Point C on the other bank of the river is visible from point A at an angle of 32°30' and from point B at an angle of 42°15'. Calculate the width of the river
Water channel
The cross-section of the water channel is a trapezoid. The bottom width is 19.7 m, the water surface width is 28.5 m, and the side walls have a slope of 67°30' and 61°15'. Calculate how much water flows through the channel in 5 minutes if the water flows
Decagon area
Find the area of a regular decagon if its side is 10 cm in size.
Fence elements
Mr. Winter is building a fence from perforated brick elements in the shape of a cuboid with dimensions of 15 cm, 15 cm, and 20 cm. the fence will be 15 cm wide, 150 cm high, and 10 m long. The mortar space will occupy 0.25 m³. How many brick elements does
Regular n-gon
In a regular n-angle polygon, the internal angle is 144 degrees. Find the number n indicating the number of sides of this polygon.
Stadium area
When the runner goes around the circular stadium five times, he runs 157 km. What area does the stadium occupy?
Arithmetic progression
In some arithmetic progression applies: 5a2 + 7a5 = 90 s3 = 12 Find the first member a =? and difference d =.
Cuboid
Cuboid has a surface of 516 cm². Side a = 6 cm and b = 12 cm. How long is the side c =?
Surface of cuboid
Find the surface of the cuboid if its volume is 52.8 cm³ and the length of its two edges is 2 cm and 6 cm.
Calculate cylinder
A cylinder has a volume V = 120 cm³ and a height v = 4 cm. Calculate the radius and the lateral surface area S.
Bike wheel
A bicycle wheel has a radius of 30 cm. How many times does it rotate if we cycle 471 m?
Cuboid edges in ratio
Cuboid edge lengths are in ratio 2:4:6. Calculate their lengths if you know that the cuboid volume is 24576 cm³.
Cuboid - volume and areas
The cuboid has a volume of 250 cm³, a surface of 250 cm², and one side 5 cm long. How do I calculate the remaining sides?
Apple weight
The box with apples weighs x kg. Empty box y kg. How many kilograms of apples are in twenty boxes?
Cuboid walls
Calculate the cuboid volume if its different walls have an area of 195cm², 135cm², and 117cm².
Tank diameter
The cylinder tank is 8 meters long and contains 40 cubic meters of petrol. What is its inside diameter?
Cuboid height
What is the cuboid's height if its base edges are 15 cm and 4 cm long and its volume is 420 cm³?
Rectangle 35
Find the rectangle area when the diagonal is equal to 30 cm and the width is double the length.

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