CPM Homework Help : A2C Problem 4-126

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Home > A2C > Chapter Ch4 > Lesson 4.2.4 > Problem 4-126

4-126.

Find the value of $x$ .

Hint (a):
Use the Pythagorean Theorem.
Answer (a):
$x = ± 21$
Use the positive side length.

Hint (b):
See part (a).
Answer (b):
$\textit{x}=10\sqrt{5}\approx22.3607$

Hint (c):
You can use special triangles 30-60-90 and 45-45-90, or solve by using the Law of Sines.
Answer (c):
$x = 50$ Remember to check your work.

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