Two chords

There is a given circle k (center S, radius r). From point A which lies on circle k are starting two chords of length r. What angle does chords make? Draw and measure.

Result

A =  120 °

Solution:

$A = 2 \cdot \ 60 = 120 = 120 ^\circ$

Try another example

Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:

Be the first to comment!

Next similar math problems:

1. Flowerbed
   In the park there is a large circular flowerbed with a diameter of 12 m. Jakub circulated him ten times and the smaller Vojtoseven times. How many meters each went by and how many meters did Jakub run more than Vojta?
2. Isosceles - isosceles
   It is given a triangle ABC with sides /AB/ = 3 cm /BC/ = 10 cm, and the angle ABC = 120°. Draw all points X such that true that BCX triangle is an isosceles and triangle ABX is isosceles with the base AB.
3. Tangents construct
   Circle is given k (S; 2.5 cm) and an outer line p. Construct a tangent t of the circle that has with a line p angle 60°. How many solutions has the task?
4. Chord
   Point on the circle is the end point of diameter and end point of chord length of radius. What angle between chord and diameter?
5. Two circles
   Two circles with a radius 4 cm and 3 cm have a center distance 0.5cm. How many common points have these circles?
6. Triangle ABC
   Construct a triangle ABC is is given c = 60mm hc = 40 mm and b = 48 mm analysis procedure steps construction
7. Circle r,D
   Calculate the diameter and radius of the circle if it has length 52.45 cm.
8. Regular octagon
   Draw the regular octagon ABCDEFGH inscribed with the circle k (S; r = 2.5 cm). Select point S' so that |SS'| = 4.5 cm. Draw S (S '): ABCDEFGH - A'B'C'D'E'F'G'H'.
9. Ruler and compass
   Use a ruler and compass to construct a triangle ABC with AB 5cm BAC 60° and ACB 45°.
10. Mine
    Wheel in traction tower has a diameter 4 m. How many meters will perform an elevator cabin if wheel rotates in the same direction 89 times?
11. Center traverse
    It is true that the middle traverse bisects the triangle?
12. Straight lines
    Draw two lines c, d so that c || d. On line c mark points A, B, from point A start perpendicular to line c, from point B perpendicular to line c.
13. Obtuse angle
    Which obtuse angle is creating clocks at 17:00?
14. Type of triangle
    How do I find the triangle type if the angle ratio is 2:3:7 ?
15. Diagonal
    Can a rhombus have the same length diagonal and side?
16. Slope
    Find the slope of the line: x=t and y=1+t.
17. Isosceles trapezoid v3
    In an isosceles trapezoid ABCD is the size of the angle β = 81° Determine size of angles α, γ and δ.