Question

aplicando o teorema de Pitágoras determine a medida

Answer 1

a) x²=28²+21²
x²=441+784
x²=1225
x=35

b)25²=x²+24²
625=576+x²
625-576=x²
49=x²
x=7

c)5²+x²=11²
x²=121-25
x²=96
x=4√6