Viewing in Doors & Windows. Many people use a screwdriver to remove a hinge pin when taking off a door. They simply place the tip up under the head of the pin and then tap on the end with a hammer.
Complementary angles are two angles whose measures add up to 90 degrees. You can think of them as two puzzle pieces that form one 90 degree angle when they are put together. When talking about complementary angles, it's important to remember that they're always in a pair.
Alternate Angles Angles that are between parallel lines, but on opposite sides of a. transversal. Angle (p) When lines, line segments or rays intersect they form angles. (See size of an angle) Angle Bisector The line that divides an angle into two equal parts. Apex The point where the triangular sides of a pyramid meet. The point at the tip of a cone. (See pyramid or cone for illustration) Arc The curved path from one point on a circle (or part of a circle) to. another. (See circle for illustration) The lines made by a compass during a construction. alternate angles.