Answer :
Pythagorean theorem is: a^2+b^2=c^2
1. 10^2+b^2=17^2
So 100+b^2=289
b^2=189
b=[tex] \sqrt{189} [/tex]
b=13 3/4
The dimensions are 10 by 13 3/4
2. 5^2+b^2=13^2
So 25+b^2=169
b^2=144
b=12
The ladder reaches 12 feet off the ground
1. 10^2+b^2=17^2
So 100+b^2=289
b^2=189
b=[tex] \sqrt{189} [/tex]
b=13 3/4
The dimensions are 10 by 13 3/4
2. 5^2+b^2=13^2
So 25+b^2=169
b^2=144
b=12
The ladder reaches 12 feet off the ground