15. In the diagram AB is parallel to CD.
Calculate the value of a.
NOT TO
SCALE

Ascale drawing of a lake has a scale of 1 cm to 80 m. if the actual width of the lake is 1000 m what is the width of the lake on the scale drawing

[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)

What makes a trapezoid an isosceles trapezoid?