Estimating Square Roots
√50
7.1
Use the Pythagorean theorem to find c.
A=3
B=4
5
Use the Pythagorean theorem to find the missing leg for the triangle with c=5 and b=4.
a = 3
Is it a right triangle?
1-2-3
No
A2 + B2 ≠ C2
In the Pythagorean theorem a2 + b2 = c2, what are a and b called?
Legs
√80
8.9
Use the Pythagorean theorem to find c.
A=6
B=8
10
Use the Pythagorean theorem to find the missing leg for the triangle with a= 8 and c=17.
b = 15
Is it a right triangle?
30-40-50
Yes!
A2 + B2 = C2
In the Pythagorean theorem a2 + b2 = c2, what is "c" called?
Hypotenuse
√115
10.7
Use the Pythagorean theorem to find the missing hypotenuse for the triangle whose legs are 5 and 12.
13
Use the Pythagorean theorem to find the missing leg for the triangle with a = 7 and c = 25.
b = 24
Is it a right triangle?
10-11-21
No
A2 + B2 ≠ C2
Pythagorean Theorem can ONLY be used with _________________.
Right triangles
√150
12.2
Use the Pythagorean theorem to find the missing hypotenuse for the triangle whose legs are 9 and 12.
15
Use the Pythagorean theorem to find the missing leg for the triangle with b=20 and c=29.
a = 21
Is it a right triangle?
9-40-41
Yes!
A2 + B2 = C2
True or False:
Pythagorean Theorem can be used to only find the hypotenuse
False
√223
14.9
Use the Pythagorean theorem to find the missing hypotenuse for the triangle whose legs are 12 and 16.
20
Use the Pythagorean theorem to find the missing leg for the triangle with c = 37 and b = 12.
a = 35
Is it a right triangle?
54-72-90
Yes!
A2 + B2 = C2
What is the name of the man that the Pythagorean theorem is named after?
Pythagoras