On a piece of paper, use a protractor to construct △abc with m∠a=30° , m∠b=60° , and m∠c=90°. Which statements about the triangles are true? select each correct answer.

Your answer is: increased air temperatures  hope this ! : )

Improved travle between colonies and africa

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.