Perimeter + angle - practice problems
Number of problems found: 115
- An isosceles triangle
An altitude is drawn from the vertex of an isosceles triangle, forming a right angle and two congruent triangles. As a result, the altitude cuts the base into two equal segments. The length of the altitude is 18 inches, and the length of the base is 15 in - Clock hands
What path will the tip of the minute hand of length 5 dm cover on the clock in 2 hours? - Semicircle
Calculate the length of a semicircle with a radius of 6 cm. - The length
The length of the circle is 24 cm. What is the circular arc length of the corresponding angle of 30°? - Euclid2
Right triangle ABC has a right angle at C, with side a = 29 and altitude from C to the hypotenuse h = 17. Calculate the perimeter of the triangle. - Length of the arc
What is the arc length of a circle k (S, r=68 mm), which belongs to a central angle of 78°? - Equilateral triangle v2
An equilateral triangle has a perimeter 36 dm. What is its area? - Hexagon
Draw a regular hexagon inscribed in a circle with a radius r=15 cm. What is its perimeter? - Circle arc angle
Points A and B lie on the circle k. The circumference of the circle k is 40 CM, and the length of the circular arc AB is 10 CM. Determine the size of the angle ABS. - Coal mine
The towing wheel has a diameter of 1.7 meters. How many meters does the elevator cage lower when the wheel turns 32 times? - Circle inscribed
Calculate the perimeter and area of a circle inscribed in a triangle measuring 3, 4, and 5 cm. - Circle and hexagon
Calculate the radius of a circle whose circumference is 8.7 cm longer than the inscribed regular hexagon's circumference. - 6-gon
The perimeter of a regular hexagon is 154. Calculate its circumradius (radius of a circumscribed circle). - Meridian
What is the arc length of the Earth's meridian corresponding to 41° if the radius of the Earth is 6370 km? - Second hand path
What path will the end of the second hand make in 24 minutes if it is 5 cm long? - The central
A circular sector has a central angle of 30° and a radius of 15 m. Determine its perimeter. - Central angle The circle has a diameter of 46 cm. What is the arc length that corresponds to a central angle of 30°?
- Bisectors
As shown, in △ ABC, ∠C = 90°, AD bisects ∠BAC, DE⊥AB to E, BE = 2, BC = 6. Find the perimeter of triangle △ BDE. - Rhomboid
Calculate the perimeter and area of a parallelogram with sides 19 and 20 and an included angle of 40°. - Diamond PQOR
In the diamond PQOR, the diagonal RQ is 4 cm long, and the angle RPQ is 60°. What is the circumference of this diamond?
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