A parallelogram has sides 10cm and 20 cm. The height corresponding to a 10cm base is 9cm. What is the height corresponding to the 20cm base?

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

Which statement describes surface features called maria on the moon

Find the area of the unshaded square