单选题 In the figure above, XY= YZ, and XZ is a diameter of the circle, having a length of 10 inches. What is the area of △XYZ, in square inches?

1、

【正确答案】 1、25

【答案解析】The formula for the area of a triangle is [*]. The base of the triangle is 10 (the diameter of the circle) and the height of the triangle is 5 (the radius of the circle). Therefore, the area is [*](10) (5)=25.