Question

The diagonals AC and BD of

trapezoid ABCD intersect the midsegment MN at
points P and R respectively. If the short base DC =
10 cm and AB = 40 cm, find MN and PR.

Answer 1

MN=25

Explanation:

mn=(ab+cd)/2 --> mn=(40+10)/2 --> mn=50/2 --> mn =25

(this is half an answer and this is what i could get)