What is the approximate area of the triangle below? 73.1 sq. cm.
111.7 sq. cm.
141.4 sq. cm.
164.7 sq. cm.

The roman empire fell around the 5th century, and as islam spread in the 7th century, trade between europe and china slowed. chinese traders were blocked from westward expansion into europe when the chinese army was defeated by muslim fighters in the area known as syr darya. the trade routes, known as the silk road, fell into disuse, and trade between the far east and europe nearly stopped. it wasn't until the 13th century when the mongols invaded and controlled central asia and large parts of the middle east that extensive trade along these routes was opened again. based upon the paragraph above and your knowledge of the mongols, which of the following statements is correct? a. the mongols unified regions along the silk road, allowing for safe transport of goods. b. muslims controlled busy trade routes into china from the 5th to the 7th centuries. c. without access to european markets, the chinese were unable to obtain raw materials. d. the mongols replaced the roman empire as the dominant force in western europe.

Sheri likes to study in the school library, but it is usually full of chatting students. it's a great place to study because her friends can always drop by when they want to talk to her. sheri should seek a new study space with a. more light c. less distractions b. less people d. more access to a restroom select the best answer from the choices provided a b c d

B. speculate about one positive way and one negative way that this boundary has affected the geographical units it separates over time.