Answer:
16
Step-by-step explanation:
Answer:
8.33%
Step-by-step explanation:
Formula for percent error:

Using this formula, we get:

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Answer:
132 square feet
Step-by-step explanation:
a+b/2*h
20+24/2*6=132
Given:
right triangle
a = 2.9
c = 4.2
Pythagorean Theorem: a² + b² = c²
missing value of b.
b² = c² - a²
b² = (4.2)² - (2.9)²
b² = 17.64 - 8.41
b² = 9.23
b = √9.23
b = 3.03 or 3.0
The value of b is 3.0