# Angle + real numbers - math problems

#### Number of problems found: 13

- Cotangent

If the angle α is acute, and cotan α = 1/3. Determine the value of sin α, cos α, tg α. - Cuboid

Determine the dimensions of cuboid a, b, c; if diagonal d=9 dm has angle with edge a α=55° and has angle with edge b β=58° - Building

How high is the building that throws horizontal shadow 95.4 m long at angle 50°? - Observer

The observer sees a straight fence 100 m long in 30° view angle. From one end of the fence is 102 m. How far is it from another end of the fence? - Triangle TBC

TBC is isosceles triangle with base TB with base angle 63° and legs length |TC| = |BC| = 25. How long is the base TB? - Trigonometric functions

In the right triangle is: ? Find the value of s and c: ? ? - Rail turn

The curve radius on the railway line is 532 m . Length of rail track on it is 818 m. How many degrees is the angle ASB, if A and B are boundary points and S is center of arc curve. - Cone A2V

The surface of the cone in the plane is a circular arc with central angle of 126° and area 415 cm^{2}. Calculate the volume of a cone. - Slope

What is the slope of a line with an inclination 6.06 rad? - Regular 5-gon

Calculate the area of the regular pentagon with side 7 cm. - IS triangle

Calculate interior angles of the isosceles triangle with base 40 cm and legs 22 cm long. - Quarter circular

The wire that is hooked around the perimeter of quarter-circular arc has length 3π+12. Determine the radius of circle arc. - Angles

Determine the interior angles of a rhombus with area 319.1 cm^{2}and perimeter 72 cm.

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Angle Problems. Real numbers - math problems.