Give the Measure of the Missing Angle Using the Similar $\triangle \mathrm { ABC } \sim \triangle \mathrm { DEF } , \angle \mathrm { B } = 59 ^ { \circ } , \overline { \mathrm { EF } } = 10 \mathrm {~cm}$

question 43

Multiple Choice

Give the measure of the missing angle using the similar triangles below.
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$\triangle \mathrm { ABC } \sim \triangle \mathrm { DEF } , \angle \mathrm { B } = 59 ^ { \circ } , \overline { \mathrm { EF } } = 10 \mathrm {~cm}$

• A) \(59 ^ { \circ }\)
• B) \(31 ^ { \circ }\)
• C) \(10 \mathrm {~cm}\)
• D) \(90 ^ { \circ }\)

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Definitions:

Margin of Error

An expression of the amount of random sampling error in a survey's results, often used to create confidence intervals around a sample statistic.

Binomial Proportion

A statistical measure that represents the proportion of successes in a series of independent trials in a binomial distribution.

Margin of Error

An expression of the amount of random sampling error in survey results, indicating the range within which the true population parameter is expected to fall.

Margin of Error

The margin of error is a statistic expressing the amount of random sampling error in a survey's results, indicating the range within which the true value lies with a certain level of confidence.