Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. AB is parallel to C
D, and EF is perpendicular to AB. The number of 90 degree angles formed by the intersections of EF and the two parallel lines AB and CD is ...? Help Pleaseee
If EF is a line perpendicular to AB, then it forms four (90 degrees) angles intersecting AB. If AB is parallel to CD, and EF also intersects CD, then it form another four (90 degrees angles again. Total 90 degrees angles formed is 8.
The design of earth gives living things a place to survive. It's moon affects the tides and gives a water source, the sun provides heat and helps the earth not freeze.
Answer:authoritarianism is the enforcement or advocacy of strict obedience to authority at the expense of personal freedom. and two countries that do it is Vietnam and North Korea
