Area + Pythagorean theorem - math problems
Number of problems found: 343
- Area of a rectangle
Calculate a rectangle area with a diagonal of u = 12.5cm and a width of b = 3.5cm. Use the Pythagorean theorem.
- The rotating
The rotating cone has a height of 0.9 m and the diameter of the base is 7.2 dm. Calculate the surface of the cone. (Hint: use Pythagorean theorem for a side of cone)
- Annular area
The square with side a = 1 is inscribed and circumscribed by circles. Find the annular area.
- Diamond area from diagonals
In the diamond ABCD is AB = 4 dm and the length of the diagonal is 6.4 dm long. What is the area of the diamond?
- Is right triangle or not
If right triangle ABC, have sides a=13, b=11.5, c=22.5. Find area.
- Diagonal to area
Calculate the area of a rectangle in which the length of the diagonal is 10 cm.
- Inscribed rectangle
The circle area is 216. Determine the area of inscribed rectangle with one side 5 long.
The area of a circle inscribed in a square is 14. What is the area of a circle circumscribed around a square?
- Hexagon area
The center of the regular hexagon is 21 cm away from its side. Calculate the hexagon side and its area.
Calculate the triangle sides if its area S = 630 and the second cathetus is shorter by 17.
We describe a circle of the square, and we describe a semicircle above each side of the square. This created 4 flakes. Which is bigger: the area of the central square, or the area of four flakes?
- Circular ring
Square with area 16 centimeters square are inscribed circle k1 and described circle k2. Calculate the area of circular ring, which circles k1, k2 form.
The rhombus with area 68 has one diagonal is longer by 6 than second one. Calculate the length of the diagonals and rhombus sides.
How many percents are waste from a circular plate with a radius of 1 m from which we cut a square with the highest area?
Determine the trapezoid area with bases 71 and 42, and the height is 4 shorter than its leg.
- The perimeter
The perimeter of equilateral △PQR is 12. The perimeter of regular hexagon STUVWX is also 12. What is the ratio of the area of △PQR to the area of STUVWX?
- Area of the cone
Calculate the surface area of the cone, you know the base diameter 25 cm and a height 40 cm.
- Equilateral triangle
Calculate the area of an equilateral triangle with circumference 72cm.
- Equilateral triangle vs circle
Find the area of an equilateral triangle inscribed in a circle of radius r = 9 cm. What percentage of the circle area does it occupy?
- Lateral surface area
The ratio of the area of the base of the rotary cone to its lateral surface area is 3: 5. Calculate the surface and volume of the cone, if its height v = 4 cm.
Pythagorean theorem is the base for the right triangle calculator. Area - math problems. Pythagorean theorem - math problems.