You lean an umbrella against a table. The handle of the umbrella is 18 cm away from the table and the top of the
umbrella touches the table at a point 60 cm off the ground.
What is the slope of the umbrella? Round your answer to the
nearest hundredths place.

send it over

step-by-step explanation:

large crystals result from very slow cooling.

evaporation of water: this would produce an evaporite which is a sedimentary rock. like a salt pan in a desert. not possible to have volcanic rocks originate this way.

crystalization in molten earth: slow cooling over time. (hundreds to millions of years)

crystalization at earth's surface: this results in fast cooling. (a few hours to a few months or years)

crystalization from cooling off hot water: that would be a hydrothermal deposit. while associated with volcanics they are not volcanic rocks themselves and usually occur fairly rapidly.