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Rina8888 [55]
3 years ago
5

The diagram below models the layout at a carnival where G, R, P, C, B, and E are various locations on the grounds. GRPC is a par

allelogram. Parallelogram GRPC with point B between C and P forming triangle GCB where GC equals 375 ft, CB equals 325 ft, and GB equals 425 ft, point E is outside parallelogram and segments BE and PE form triangle BPE where BP equals 225 ft. Part A: Identify a pair of similar triangles. (2 points) Part B: Explain how you know the triangles from Part A are similar. (4 points) Part C: Find the distance from B to E and from P to E. Show your work. (4 points)
Mathematics
1 answer:
mylen [45]3 years ago
5 0

Answer:

The similar triangles are \triangle BPE and \triangle BCG

BE = 321 and PE =286

Step-by-step explanation:

Given

See attachment for the required figure

Solving (a): The similar triangles

The similar triangles are \triangle BPE and \triangle BCG

Solving (b): Why they are similar

Both triangles are similar because \triangle BCG is dilated (i.e. enlarged) and then reflected to give \triangle BPE.

Solving (c): Calculate BE and PE

The following are equivalent ratios

BP: BC = BE : BG

and

BP: BC = PE : CG

Solving for BE, we have:

BP: BC = BE : BG

Substitute the known values

250:350 = BE:450

Express as fraction

\frac{250}{350} = \frac{BE}{450}

Multiply both sides by 450

450 * \frac{250}{350} = BE

321 = BE

BE = 321 -- approximated

Solving for PE, we have:

BP: BC = PE : CG

Substitute known values

250:350 = PE:400

Express as fraction

\frac{250}{350} = \frac{PE}{400}

Multiply both sides by 400

400 * \frac{250}{350} = PE

286 = PE

PE =286

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