Hint: $a ^ { 2 } = b ^ { 2 } + c ^ { 2 }$ In the circuit shown $E _ { C }$ is 135 volts and $E _b$ is 175 volts. Find $E _ { a }$ . Carry the answer to two decimal places.

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The Answer of Hint: $a ^ { 2 } = b ^ { 2 } + c ^ { 2 }$ In the circuit shown $E _ { C }$ is 135 volts and $E _b$ is 175 volts. Find $E _ { a }$ . Carry the answer to two decimal places.

Hint a2=b2+c2a ^ { 2 } = b ^ { 2 } + c ^ { 2 }a2=b2+c2

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