Find the Area of Triangle ABC with the Given Parts $^ { 2 }$

question 65

Multiple Choice

Find the area of triangle ABC with the given parts. Round to the nearest tenth when necessary.
-A stained glass window is composed of 20 triangular sections, each with sides 4,7 , and 8 in. Find the total area of the window (to the nearest square inch) .

• A) 280 in. \(^ { 2 }\)
• B) 14 in. \(^ { 2 }\)
• C) 91 in. \(^ { 2 }\)
• D) \(3849 \mathrm { in } ^ { 2 }\)

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Definitions:

ANOVA

Stands for Analysis of Variance, a statistical method used to test differences between two or more group means.

Tukey's Method

A statistical test to identify outliers by comparing the spread of data sets.

Multiple Comparison Methods

Statistical procedures used to determine significant differences among group means in a dataset, where several groups are compared.

F-test

A statistical test used to compare two variances to ascertain if they come from the same population.