# Line + angle - math problems

#### Number of problems found: 25

• Dodecagon Calculate the size of the smaller of the angles determined by lines A1 A4 and A2 A10 in the regular dodecagon A1A2A3. .. A12. Express the result in degrees.
• Decide 2 Decide whether points A[-2, -5], B[4, 3] and C[16, -1] lie on the same line
• Three parallels The vertices of an equilateral triangle lie on 3 different parallel lines. The middle line is 5 m and 3 m distant from the end lines. Calculate the height of this triangle.
• Find the 10 Find the value of t if 2tx+5y-6=0 and 5x-4y+8=0 are perpendicular, parallel, what angle does each of the lines make with the x-axis, find the angle between the lines?
• Trapezium diagonals It is given trapezium ABCD with bases | AB | = 12 cm, |CD| = 8 cm. Point S is the intersection of the diagonals for which |AS| is 6 cm long. Calculate the length of the full diagonal AC.
• Supplementary angles One of the supplementary angles is larger by 33° than the second one. Calculate the angles size.
• Two people Two straight lines cross at right angles. Two people start simultaneously at the point of intersection. John walking at the rate of 4 kph in one road, Jenelyn walking at the rate of 8 kph on the other road. How long will it take for them to be 20√5 km apa
• 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.
• Right angled triangle 2 LMN is a right angled triangle with vertices at L(1,3), M(3,5) and N(6,n). Given angle LMN is 90° find n
• Slope Find the slope of the line: x=t and y=1+t.
• Tangents construct The circle k 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 have the task?
• Hexagon - MO The picture shows the ABCD square, the EFGD square and the HIJD rectangle. Points J and G lie on the side CD and is true |DJ|
• Supplementary angles One of the supplementary angles are three times larger than the other. What size is larger of supplementary angles?
• Draw it! Draw two lines c, d that c || d. On line c mark the points A, B. By point A lead perpendicular line to c. By point B lead perpendicular line to c.
• Angle A straight line p given by the equation ?. Calculate the size of angle in degrees between line p and y-axis.
• Slope RR A line has a rise of 2 and a run of 11. What is the slope?
• Perpendicular What is the slope of the perpendicular bisector of line segment AB if A[9,9] and B[9,-2]?
• Slope What is the slope of a line with an inclination 6.06 rad?
• Angle between lines Calculate the angle between these two lines: ? ?
• The angle of lines Calculate the angle of two lines y=x-21 and y=-2x+14

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