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Answer:
The height of the tree is 18 feet tall
Step-by-step explanation:
Set up a proportion:
6 feet over 11 feet long equals x feet over 33 feet long
6/11 = x/33
198 = 11x
x = 18
The height of the tree is 18 feet tall
<u>Given</u>:
Given that the triangle with ∠B = 45°
The length of the side a is 4 units.
The length of the side c is 8 units.
We need to determine the area of the triangle.
<u>Area of the triangle:</u>
The area of the triangle can be determined using the formula,
Substituting a = 4, c = 8 and ∠B = 45° in the above formula, we have;
Simplifying, we get;
Thus, the area of the triangle is 11.31 square units.
Answer:
14
Step-by-step explanation:
18-4
The types of validity that were not established in this study is internal validity and the Reasonably not met are: external, construct, statistical.
<h3>What is Internal Validity? </h3>
Internal validity can be described as the extent that a particular study can bring about the establishment of a trustworthy cause-and-effect relationship which can be set between the treatment as well as the outcome.
In conclusion, Internal validity let us understand that a study can makes it possible to eliminate alternative explanations as regards finding, hence The types of validity that were not established in this study is internal validity and the Reasonably not met are: external, construct, statistical.
Learn more about work internal validity at:
brainly.com/question/12053427
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