Rearrange variables - math word problems - page 122 of 147

Number of problems found: 2921

Triangle area
Calculate the area of the triangle ABC if a = 10 cm, c = 8 cm, ta = 6 cm.
Perimeter - ASA theorem
Calculate the perimeter of the triangle ABC if a = 12 cm, the angle beta is 38 degrees, and the gamma is 92 degrees.
Triangle perimeter
The area of an equilateral triangle is 81√3 cm². Calculate its circumference.
Circumference of isosceles tr.
In an isosceles triangle with a perimeter of 36 cm, the height at the base is 12 cm. Calculate the length of the arm of a given triangle.
Dog chase
While hunting, the dog sees a hare in the bushes 20 meters ahead. The hare starts running, and the dog starts chasing it simultaneously. A hare runs at a speed of 39 km/h, and a dog at 45 km/h. In how many seconds does the dog catch up with the hare?
Ruler case
A cylinder-shaped case is to be made for a ruler with the shape of a prism with a base in the shape of an equilateral triangle with a side length of 3 cm. What must be the smallest inner diameter of the housing? Determine the size to the nearest tenth of
Rhombus and diagonals
The rhombus area is 150 cm², and the ratio of the diagonals is 3:4. Calculate the length of its height.
Square diagonal
Calculate the diagonal of a square if its area is equal to 169 square centimeters.
Apples 2
Dried apples contain 15% water. Fresh apples contain 80% water. How many kilograms of apples must we buy to get 3 kg of dried apples?
Fuel economy
How many kilometers is sufficient petrol in the cylinder fuel tank with a diameter of 40 cm and the base of tank length of 1 m when it is filled to 60%, and if the car consumes 15 liters per 100 km?
Family
The son is 3/5 smaller than the mother, who is 99 cm higher than the son. Thus, the mother is 3/5 taller than the son.
Travel speed
On a map at a scale of 1:400,000, the distance between Letohrad and Prague is 4.5 cm. What speed does Dad have to go to be in Prague at 9 o'clock when he leaves at 6 o'clock, 40 minutes?
Diagonal of square
Calculate the side of a square when its diagonal is 10 cm.
Car overtaking
The car moved out of place at a speed of 60 km/h in 1.5 hours. The second car moved at a speed of 80 km/h. How long will it take to catch the first car, and how many kilometers will it drive?
Power equation
Solve the power equation: 2.1463 = 0.4179x^0.419
Window height
Each has a width of 218 cm and an area of 10,900 cm². Calculate the height of the window.
Formula expression
1 / f = 1 / a + 1 / b express b
Square vs rectangle
A square and a rectangle have the same areas. The rectangle's length is nine greater, and the width is six less than the side of the square. Calculate the side of a square.
Trapezium 2
The trapezium has an area of 24 square cm. How many different trapeziums can be formed?
Plane and helicopter
From two airports, a plane and a helicopter took off at the same time. The helicopter was flying to the airport from which the plane took off, the plane to the airport from which the helicopter took off. When they passed each other, the helicopter had flo

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