As shown in the picture, a 58 meter long fence is used to enclose a trapezoidal vegetable field near the wall. The area of the vegetable field is______ Square meters

As shown in the picture, a 58 meter long fence is used to enclose a trapezoidal vegetable field near the wall. The area of the vegetable field is______ Square meters

(58-10) × 10 / 2 = 48 × 10 / 2, = 480 / 2, = 240 square meters; answer: the area of trapezoidal vegetable field is 240 square meters