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gizmo_the_mogwai [7]
3 years ago
7

3) Solve the following problem using a proportion and write your solution in a complete sentence.

Mathematics
1 answer:
Solnce55 [7]3 years ago
4 0
3/12= 0.25
0.25times25=$6.25
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A rectangle is 25 in. long and 13 in. wide.<br><br><br><br> What is the area of the rectangle?
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Answer:

3.

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1. m\angle BAC=m\angle CAD,\ m\angle ACB=m\angle ADC=90^{\circ}, then m\angle ABC=m\angle ACD and triangles ADC and ACB are similar by AAA theorem.


2. The ratio of the corresponding sides of similar triangles is constant, so


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3. Knowing lengths you could state that \dfrac{b}{c}= \dfrac{e}{b}.


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5. m\angle ABC=m\angle CBD,\ m\angle ACB=m\angle CDB=90^{\circ}, then m\angle BAC=m\angle BCD and triangles BDC and BCA are similar by AAA theorem.


6. The ratio of the corresponding sides of similar triangles is constant, so


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b^2+a^2=c(e+d).


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