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SVETLANKA909090 [29]
3 years ago
5

Given: right triangle abc with altitude prove: a2 + b2 = c2 complete the paragraph proof. you can use the similar triangles form

ed by the altitude to write ratios for corresponding sides. using ratios from the large and medium triangles, = . this can be rewritten as = a2. using ratios from the large and small triangles, = . this can be rewritten as b2 = ec. by substitution, a2 + b2 =. you can then factor as a2 + b2 = c(f + e). from the large triangle, you know (f +
e.=. so, a2 + b2 = c2 by using substitution.
Mathematics
2 answers:
almond37 [142]3 years ago
7 0

The solution is attached as a word file

Download doc
Marizza181 [45]3 years ago
5 0

1) a/f

2)cf

3)c/b

4)cf + ec

5)c

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Answer:

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Vesnalui [34]

Given:

The number of male professors = 15.

The number of female professors = 9.

The number of male teaching assistants = 6.

The number of female teaching assistants = 12.

A person is selected randomly from the group.

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We need to find the probability that the selected person is a professor or a male.

Explanation:

The total number of people in the group = 15+9+6+12 = 42

n(S) =The total number of people in the group

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Let P(A) be the probability that the selected person is a professor or a male.

P(A)=\frac{n(A)}{n(S)}P(A)=\frac{30}{42}P(A)=\frac{15}{21}=\frac{5}{7}

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Answer:

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In this case, we would divide -20 by 2 and square it

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3 years ago
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