Solve the triangle using the law of cosines

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

Will give brainliest what is the value of x? enter your answer in the box.

How can you construct perpendicular lines and prove theorems about perpendicular lines