right angle
A right angle which is 90 degrees
It is an acute angle
A straight-angle. 180o.
an acute angle - of 30 degrees.
Probably the answer being looked for here is a straight angle (180 degrees) but the truth is that by 9:15 the hour hand is a little past the 9.
90 degrees - a right angle
Wheel and axle
Kinetic energy being converted to chemical potential energy
A rectangle is not an angle (of any kind). It is a kind of quadrilateral.A rectangle is not an angle (of any kind). It is a kind of quadrilateral.A rectangle is not an angle (of any kind). It is a kind of quadrilateral.A rectangle is not an angle (of any kind). It is a kind of quadrilateral.
Molecular Clock
Molecular Clock
a clock or a cake? they're both round and if you slice a piece of cake equally, you just bisect it, creating 2 congruent angles! =)