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Question 1 of 4
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Finding a Side
Use --
a2=c2-b2a2=c2-b2
The longest side of a right triangle is called a hypotenuse (cc). It is also the side opposite the right angle.
Label the values, and then substitute them into Pythagoras’ Theorem (side).
c=15c=15 m
a=xa=x
b=12b=12 m
a2a2 |
== |
c2−b2c2−b2 |
Pythagoras’ Theorem |
x2x2 |
== |
152−122152−122 |
x2x2 |
== |
225-144225−144 |
x2x2 |
== |
8181 |
√x2√x2 |
== |
√81√81 |
Get the square root of both sides |
xx |
== |
99 m |
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Question 2 of 4
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Finding a Side
Use --
a2=c2-b2a2=c2-b2
The longest side of a right triangle is called a hypotenuse (cc). It is also the side opposite the right angle.
Label the values, and then substitute them into Pythagoras’ Theorem (side).
c=13c=13 cm
a=ya=y
b=12b=12 cm
a2a2 |
== |
c2−b2c2−b2 |
Pythagoras’ Theorem |
y2y2 |
== |
132−122132−122 |
y2y2 |
== |
169-144169−144 |
y2y2 |
== |
2525 |
√y2√y2 |
== |
√25√25 |
Get the square root of both sides |
yy |
== |
55 cm |
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Question 3 of 4
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Finding a Side
Use --
a2=c2-b2a2=c2-b2
The longest side of a right triangle is called a hypotenuse (cc). It is also the side opposite the right angle.
Label the values, and then substitute them into Pythagoras’ Theorem (side).
c=10c=10 mm
a=na=n
b=8b=8 mm
a2a2 |
== |
c2−b2c2−b2 |
Pythagoras’ Theorem |
n2n2 |
== |
102−82102−82 |
n2n2 |
== |
100-64100−64 |
n2n2 |
== |
3636 |
√n2√n2 |
== |
√36√36 |
Get the square root of both sides |
nn |
== |
66 mm |
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Question 4 of 4
Incorrect
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0:00
Finding a Side
Use --
a2=c2-b2a2=c2-b2
The longest side of a right triangle is called a hypotenuse (cc). It is also the side opposite the right angle.
Label the values, and then substitute them into Pythagoras’ Theorem (side).
c=25c=25 m
a=ya=y
b=24b=24 m
a2a2 |
== |
c2−b2c2−b2 |
Pythagoras’ Theorem |
y2y2 |
== |
252−242252−242 |
y2y2 |
== |
625-576625−576 |
y2y2 |
== |
4949 |
√y2√y2 |
== |
√49√49 |
Get the square root of both sides |
yy |
== |
77 m |