Hint $a ^ { 2 } = b ^ { 2 } + c ^ { 2 }$

question 17

Short Answer

Hint: $a ^ { 2 } = b ^ { 2 } + c ^ { 2 }$ Determine the voltage of $E _ { a }$ if $E _b$ is 105 and $E _ { C }$ is 120 volts. Carry the answer to two decimal places.