Let ABC a right triangle with ∠ A= 90° and let AH = h, the height of Δ ABC.
Area of Δ ABC = (base x height)/2 .
Area of Δ ABC = (BC x h)/2 . But h = 2.BC, then plugin the value of h
Area of Δ ABC = (BC x 2.BC)/2 .
Area of Δ ABC = (2.BC²)/2 .
Area of Δ ABC = (BC)²
Answer:
A. The combustion of fossil fuels heats water to produce steam, which then turns a turbine.
Explanation:
Most heat-based generation of electricity uses steam and steam-driven turbines to actually turn the generator. This includes coal, oil, gas, and nuclear power, and some solar power as well.
The heat source is used to heat water, turning it to steam. The steam is then directed at a turbine, turning it and the attached generator to produce electricity.
Answer: Me
Explanation: I've been waiting all year to get these tests done.
B because that’s what her parents want
Answer:
Report the incident to a parent or guardian, collect evidence, and tell your teacher
Explanation:
