Angle - practice for 12 year olds - page 8 of 11
Number of problems found: 203
- Irregular pentagon
A rectangle-shaped, 16 x 4 cm strip of paper is folded lengthwise so that the lower right corner is applied to the upper left corner. What area does the pentagon have? - N-gon angles
What is the sum of interior angles 8-gon? What is the internal angle of a regular convex 8-polygon? - Determine 28391
Determine the angle that the large hand makes with the small hand of the clock - the central angle at 12:30. Determine the size of the smaller angle (if possible). (Help: it's enough if you calculate how big an angle the hands make if they are 1 minute ap - Rectangular trapezoid
How many inner right angles have a rectangular trapezoid?
- Rhombus 29
One of the diagonals of a rhombus is equal to a side of the rhombus. Find the angles of the rhombus. - Central angle
The circle has a diameter of 46 cm. What is the arc length corresponds to a central angle of 30°? - Compass
What angle is between directions SSE (SouthSouthEast) and SW (SouthWest) on the compass? - Corresponding 7621
The length of the circular arc at the corresponding angle of 120 ° is 8 cm. What is the size of the whole circle? What is its radius? - Calculate 7221
Calculate exactly when the hour and minute hands on the clock intersect.
- Circular arc
Calculate the length of the circular arc if the diameter d = 20cm and the angle alpha = 142 ° - Calculate 7111
Calculate the length of the arc, which will describe the endpoint of a longer hand 10 cm long wall clock after 20 minutes. - Construct 5593
Construct an isosceles trapezoid, whose base is 6 cm long, and the base forms an angle of 30 ° with the diagonal, and the arms are 4 cm long. - Diagonal
Can a rhombus have the same length, diagonal, and side? - Calculate 81590
Calculate the central angle if r = 72 cm and the arc length is 12.4 cm.
- 6-gon
The perimeter of a regular hexagon is 113. Calculate its circumradius (radius of a circumscribed circle). - The length
The length of the circle is 24 cm. What is the circular arc length of the corresponding angle of 30°? - Hexagon area
The center of the regular hexagon is 21 cm away from its side. Calculate the hexagon side and its area. - The farmer field
The field has a parallelogram shape with dimensions side a = 75 m and height 372 m. Two and two sides are at an angle 75°. Calculate the acreage of the field in hectares. - Conditions 7186
Given an isosceles right triangle ABS with base AB. On a circle centered at point S and passing through points A and B, point C lies such that triangle ABC is isosceles. Determine how many points C satisfy the given conditions and construct all such point
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