Real Numbers And The Pythagorean Theorem Worksheet - Chapter 7 Page 16
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462 2
ACTIVITY:
Using the Pythagorean Theorem in Two Dimensions
Work with a partner. Use a ruler to measure the longest side of each
right triangle. Verify the result of Activity 1 for each right triangle.
a.
b.
2 cm
4 cm
4.8 cm
3 cm
c.
d.
1
1
in.
1
2
1
in.
4
3 in.
2 in.
3 3
ACTIVITY:
Using the Pythagorean Theorem in Three Dimensions
Work with a partner. A guy wire attached 24 feet above
Math
ground level on a telephone pole provides support
Practice
for the pole.
Use Defi nitions
a.
PROBLEM SOLVING
Describe a procedure that you
How can you use
could use to fi nd the length of the guy wire without
what you know
guy wire
about the
directly measuring the wire.
Pythagorean
b. Find the length of the wire when it meets the ground
Theorem to describe
the procedure for
10 feet from the base of the pole.
fi nding the length of
the guy wire?
IN YOUR OWN WORDS
How are the lengths of the sides of a right
4.
triangle related? Give an example using whole numbers.
Use what you learned about the Pythagorean Theorem to complete
Exercises 3 and 4 on page 304.
Section 7.3
The Pythagorean Theorem
301
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