The answer to the question above is the third choice, "a shelf on a wall". The shelf is usually made of rectangular pieces of materials that are then connected to each other to form quadrilaterals. The sides of the shelf are planes.
Area of a trapezoid is found with the formula, A=(a+b)/2 x h.
Answer:
3 divided by 1/2
Step-by-step explanation:
turn 3 into 3/1 then flip 1/2 into 2/1 and multiply which is <u><em>6</em></u>
Kcf
Keep
Change
Flip