I decide: the length and diagonal are given. Find the width of the rectangle.
Given: a=10.5 cm; c=18.2 cm; α=90°(rectangle); b-?
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By T. Pythagoras
c²=a² + b²
b²=c²-a²
b=√(c²-a²)=√(c-a)(c+a)=
√(18.2 - 10.5)(18.2 + 10.5)=
√(7.7 * 28.7)=√(7*1.1 * 7*4.1)=7√4.51≈14.8657≈14.87 cm is the answer.
14cm 8.7mm.
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Christopher Columbus sailed the ocean blue in 1492. He established the world.
Answer: B
Explanation: AOC had no power to put down rebellions because they had no power themselves
Answer:
Tyrants and monarchs caused much discontent among the city states, and decided that something had to be done. Each city state slowly shifted to new form of government, such as democracy for Athens, and an aristocracy for other city states.
Explanation:
