Pythagorean Theorem Warmup

Geometry Level 1

If the length of the grass is 5 and the height of the building is 12, what is the length of the ladder?

12 13 16 25

2 solutions

Queenbe Monyei
Jul 23, 2016

Plug in the lengths of the building and grass into the theorem equation: $a^2+ b^2= c^2$

$12^2+ 5^2= c^2$

$144 + 25 = c^2$

$169 = c2$

$169 = c^2$

13 = c

Puranjay Khanijo
Aug 5, 2016

Put in the values of 'a' and 'b' in the expression a2+b2=c2 12^2+5^2=c^2 144+25=c^2 169=c^2 13=c