The Pythagorean Theorem can be used to find the missing side length of a triangle when two other side lengths are known.
1 answer:
Answer:
The value of b is 21
Step-by-step explanation:
29=√20^2+b^2
or, 29=√400+b^2
or, 841=400+b^2
or, 841-400=b^2
or, √441=b
b=21
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just finished the quiz
Answer:
l= (P-2w)/2
Step-by-step explanation:
P = 2l + 2w
Subtractc 2w both sides
P-2w = 2l
Divide 2 both sides
(P-2w)/2 = l
Hope this helps!
Answer:
Step-by-step explanation:
y = 5x² - 46x + 77
If you want the roots they are 11/5 and 7 both positive.
He didn’t combine the -5r + 4r correctly and also he didn’t multiply 4 and -5 correctly.
if you can show your work. use
F O I L method
first
outer
inner
last.
r • r = r^2
r • -5 = -5r
r• 4 = 4r
4• -5 = -20.
the final equation is
R^2 + r -20