Planimetrics - practice for 14 year olds - page 25 of 67
Number of problems found: 1325
- Compass
What angle is between directions SSE (SouthSouthEast) and SW (SouthWest) on the compass? - Rectangular 9401
Matrix E is a rectangular matrix that contains 48 elements and four rows. How many columns does this matrix have? - ABC isosceles
ABC isosceles rights triangle the length of each leg is 1 unit what is the length of the hypotenuse AB in the exact form - Annulus
Two concentric circles form an annulus of a width of 10 cm. The radius of the smaller circle is 20 cm. Calculate the area of the annulus.
- Triangle ABC
Right triangle ABC with right angle at the C, |BC|=19, |AB|=32. Calculate the height of the triangle hAB to the side AB. - Rhombus
Calculate the perimeter and area of a rhombus whose diagonals are 39 cm and 51 cm long. - Triangle SSS
Calculate the perimeter and area of a triangle ABC if a=40, b=35, and c=55. - The chord
Calculate a chord length where the distance from the circle's center (S, 6 cm) equals 3 cm. - Square2
The side of the square is a = 5.6 cm. How long is its diagonal?
- Circle
The circle k with diameter |MN| = 61. Point J lies on the circle k. Line |MJ|=22. Calculate the length of a segment JN. - The diagonal 4
The diagonal of a rhombus measures 16 cm and 30 cm. Find its perimeter. - Circles
The area of a circle inscribed in a square is 14. What is the area of a circle circumscribed around a square? - Height
Calculate the height of the equilateral triangle if its perimeter is 48. - Construction 82703
The plot of land for constructing family houses is shaped like a rectangular trapezoid with bases of 21m and 11.2m. For CZK 2,500 per square meter, the value of the land is calculated at CZK 1,352,400. What would be the length of wire mesh needed to fence
- A bridge
The bridge over the river has the shape of an arc. The bridge is 10 feet above the water at the center of the river. At 27 feet from the river's edge, the bridge is 9 feet above the water. How wide is the river? - Perpendicular 81837
Two neighboring cottagers have cottages under the forest by the stream. They decided to build a bridge over the stream at a place far from the two huts. The distance between the cottages is 230 m; one cottage is 120 m from the stream, and the other is 85 - Right triangle generator
Detective Harry Thomson found on the Internet a generator of the lengths of the sides of right triangles according to which he must apply: a = 2xy, b = x² - y², c = x² + y², where are natural numbers and x & gt; y. Is it a working generator? - Triangular pyramid
A regular tetrahedron is a triangular pyramid whose base and walls are identical equilateral triangles. Calculate the height of this body if the edge length is a = 8 cm - Circumference 66134
The isosceles trapezoid ABCD has an area of 36 cm². One of its bases is two times longer than the other. Height is 4 cm. Calculate the circumference of the trapezoid.
Do you have homework that you need help solving? Ask a question, and we will try to solve it.