SAT Math Multiple Choice Practice Question 486: Answer and Explanation
6. In ΔABC, ≅ and ⊥ . If AC = 10, what is the area of the triangle?
Correct Answer: B
B This is a right triangle with two equal sides, so it is a 45°-45°-90° triangle. must be the hypotenuse, so the legs are each . The legs are also the height and base of the triangle. A = bh, so .