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jonmorton159
25.11.2019 •
Mathematics
The scale factor of the dimensions of two similar wood floors is 5 : 4. it costs $368 to refinish the smaller wood floor.
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Ответ:
4 units=368
divide both sides by 4
1unit=92
times both sides by 5 since 5 units=big
5unit=460
costs $460 to furnnish biggger floor
Ответ:
4 368
--- =
5 x
then cross multiply
368*5=4x
and divide both sides by four
92*5=x
460=x
Ответ:
The answer is below
Step-by-step explanation:
Two triangles are said to be similar if the ratio of their corresponding sides are equal.
From the problem, since GRPC is a parallelogram, hence:
GC is parallel to RE and GR is parallel to CP.
∠GBC = ∠EBP (vertical opposite angles are equal)
∠BGC = ∠BEP (alternate interior angles are equal)
∠BCG = ∠BPE (alternate interior angles are equal)
Since, ∠GBC = ∠EBP, ∠BGC = ∠BEP and ∠BCG = ∠BPE, we can say that triangle BCG is similar to triangle BEP by the angle - angle - angle similarity postulate.
c) Since the triangle BCG is similar to triangle BEP, hence: