Since a^2+b^2=c^2 becomes 20^2+b^2=29^2, we solve for b:
400+b^2=841
b^2=441
b=21
So the length of b is 21 units.
Hope this helped!
X is not anything unless you show the equation with the variable
I’m not 100% but my best guess is 20.
<1 and <2 are complementary : given
<1+<2=90 : definition of complementary
<1 congruent <3 : given
<2 congruent <4 : given
<3 congruent <4 : transitive property
Answer:
b⁴
Step-by-step explanation:
b x b x b x b
b² x b²
b⁴