an angle that measures less than 80 degrees
acute triangle
obtuse angle
(80°F − 32) × 5/9 = 26.667°C
203 degrees F
A compound machine is a machine that consists of more than one simple machine. Some compound machines consist of just two simple machines. You can read below about two examples—the wheelbarrow and corkscrew. Other compound machines, such as bicycles, consist of many simple machines.
obtuse angle
Though sunquakes are often described as “waves” or “ripples,” these terms belie the full force of these events: the first sunquake discovered to be connected to a solar flare was estimated to be equivalent to an 11.3-magnitude earthquake — roughly 50 times stronger than the strongest earthquake ever recorded