Area - math word problems - page 49 of 156
Number of problems found: 3120
- The quadrilateral
The quadrilateral ABCD is composed of two right triangles, ABD and BCD. For side lengths: |AD| = 3cm, | BC | = 12cm, | BD | = 5cm. How many square centimeters (area) does the quadrilateral ABCD have? The angles of DAB and DBC are right.
- Divide an isosceles triangle
How can an isosceles triangle be divided into two parts with equal areas perpendicular to the axis of symmetry (into a trapezoid and a triangle)?
- The gift
How much wrapping paper is needed to wrap a cube-shaped gift with an edge measuring 15 cm?
- Sprinkler 45721
The rotary sprinkler has a spray of 18m. How much land can it irrigate from one place?
- Automatic 45711
What grass area can the automatic sprayer spray if it is set to spray at an angle of 120 ° and the water sprays up to a maximum distance of 5 meters?
- Described 45691
How big is the area of the circular cutout described by the minute hand 14 cm long in 40 minutes?
- Equilateral triangle
Find the area of an equilateral triangle with a side of 15 cm.
- The collar
The collar on the dress has the shape of an annulus 6 cm wide. The circumference of the inner circle is 31.4 cm. How much is cm² of fabric needed to make one collar?
- Glazing workshop
Roof arches have the shape of an equilateral triangle. The length of the side of the arch was 0.6 m and the height 0.52 m. How many m² of glass are needed for glazing 48?
- Corresponding 45611
The volume of the triangular prism is 200 dm3, and the base is a triangle with a side of 10 dm and a corresponding height of 5 dm. Calculate the height of the prism.
- Trapezoidal base
Calculate the surface and volume of a quadrilateral prism with a trapezoidal base, where a = 7 cm, b = 4 cm, c = 5 cm, d = 4 cm, the height of trapezium v = 3.7 cm, and the height of the prism h = 5 cm.
- Axial section
Calculate the volume and surface of a cone whose axial section is an equilateral triangle with side length a = 18cm.
- Calculate
Calculate the area of triangle ABC if given by alpha = 49°, beta = 31°, and the height on the c side is 9cm.
- Angle of diagonals
Calculate a rectangle's perimeter and area if its diagonal is 14 cm and the diagonals form an angle of 130°.
- The surface
The surface of a truncated rotating cone with side s = 13 cm is S = 510π cm². Find the radii of the bases when their difference in lengths is 10cm.
- Defensive 45341
The boys want to build a defensive wall out of the snow for the ballpark. They want it to be 5 meters long and 1.5 meters high. They can make and transfer 50 cm cubes from snow. How many such cubes must he make to build his wall?
- The diamond
The diamond has an area S = 120 cm2, and the ratio of the length of its diagonals is e: f = 5:12. Find the lengths of the side and the height of this diamond.
- Flower box
A wooden flower box in the shape of a cuboid has the following external dimensions: length 120 cm, width 15 cm, and height 20 cm. It is made of wooden slats 1.5 cm thick. a) At least how many m² of slats were needed to make it? Calculate according to the
- The heights
The heights of some dogs are shown in the table. (1 cm = 10 mm) Dog; Height Sam ; 280 mm Charlie; 56 cm Gus; 81,3 cm Buster; 635 mm Max; 38 cm Duke; 61 cm Which list shows the heights of the dogs from tallest to shortest? A. Max, Charlie, Duke, Gus, Sam,
- Perimeter 45121
The diamond has an area of 36.9 cm² and a side length of 9 cm. a) How many cm does the height of the diamond measure? b) Calculate the perimeter of the diamond.
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