Question

Abc is right-angled at



c.If ac=5 cm and bc= 12 cm find the length of ab

Answer 1

$\huge {\textbf {\underline {\underline {ANSWER }}}}$

ABC is a right angled triangle .

< C =90 °

So by pythagorus theorem

AB^2 = AC^2 + BC^2

AB^2 = 5^2 + 13^2

AB^2 = 25 + 144

AB^2 = 169

AB = 13 cm.

Answer 2

your answer is 13cm.

by using pythagoras theorem,

ab^2=ac^2+bc^2

=5^2+12^2

=25+144

=169

ab^2=169

$ab = \sqrt{169}$

then

ab=13

thus ab =13cm