MATH

posted by .

ABCD is a quadrilateral in which AB parallel DC and AD=BC.prove that (1)angle A + angle C=180 degree= angle + angle D (2)AC=BD

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Geometry

    Given quadrilateral ABCD,ABllDC, diagonal AC. we can prove that angle 1= angle 2, but cannot prove angle 3=angle4 Why is this. What must be true about the sides of the Quadrilateral in order to prove that angle 3 is congruent to angle …
  2. Geometry

    Given quadrilateral ABCD,ABllDC, diagonal AC. we can prove that angle 1= angle 2, but cannot prove angle 3=angle4 Why is this. What must be true about the sides of the Quadrilateral in order to prove that angle 3 is congruent to angle …
  3. math

    ABCD is a quadrilateral in which AB parallel DC and AD=BC.prove that (1)angle A + angle C =180 degree = angle B + angle D (2)AC=BD
  4. geometry

    Suppose ABCD is a trapezium in which AB is parallel to CD and AD=BC.prove that angle A=angle B and angle C=angle D.
  5. MATHS

    ABCD is a cyclic quadrilateral in which angle BAD=70,angle ADC=80 and angle ABD=55,AC and BD intersect at M,find angle CMD
  6. Maths

    ABCD is a quadrilateral in which angle ABC = 73°, angle C = 97°, angle D =110° if AE is parallel to DC & BE is parallel to AD & AE intersects BC at F find the measure of angle EBF
  7. QUADRILATERAL MATHS

    ABCD is a quadrilateral with angle ABC a right angle. The point D lies on the perpendicular bisector of AB. The coordinates of A and B are (7, 2) and (2, 5) respectively. The equation of line AD is y = 4x − 26. find the area of quadrilateral …
  8. Algebra

    One angle of a triangle is 2 more than four times as large as the other angle. The third angle is three times the first angle decreased by 6. What is the measure of each angle?
  9. Geometry

    ABCD is a quadrilateral inscribed in a circle, as shown below: Circle O is shown with a quadrilateral ABCD inscribed inside it. Angle A is labeled x plus 16. Angle B is labeled x degrees. Angle C is labeled 6x minus 4. Angle D is labeled …
  10. Geometry

    6. Which of the following facts, if true, would allow you to prove that line l and m are parallel?

More Similar Questions