Solve the Problem $135 ^ { \circ }$ In One Cycle $0.1$

question 316

Multiple Choice

Solve the problem.
-The blade of a windshield wiper sweeps out an angle of $135 ^ { \circ }$ in one cycle. The base of the blade is 12 inches from the pivot point and the tip is 32 inches from the pivot point. What area does the wiper cover in one cycle? (Round to the nearest $0.1$ square inch.)

• A) \(1041.8\) in \(^ { 2 }\)
• B) \(1105.3 \mathrm { in } ^ { 2 }\)
• C) \(948.3\) in \(^ { 2 }\)
• D) \(1036.7 \mathrm { in } ^ { 2 }\)

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Definitions:

Parapatric Speciation

Parapatric speciation is the evolution of new species within a spatially extended population that still has some gene flow.

Allopatric Speciation

The evolution of new species after populations have been separated geographically, preventing gene flow between them.

Sympatric Speciation

The evolution of new species within a contiguous population that still has extensive gene flow.

Gametic Isolation

A type of prezygotic barrier where the gametes (egg and sperm) of two different species fail to unite or fertilize, preventing the formation of a zygote.