How do I solve for x?

x ≈ 36.2

Step-by-step explanation:

Since the legs are congruent then the triangle is isosceles.

The altitude bisects the base and divides the triangle into 2 right triangles.

Using the right triangle on the right with legs 33 and 15

Apply Pythagoras' identity to the right triangle, that is

x² = 33² + 15² = 1089 + 225 = 1314 ( take the square root of both sides )

x = ≈ 36.2 ( to 1 dec. place )

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