Suppose a triangle has sides a, b, and c, and that a2 + b2 < c2. let be the measure of the angle opposite the side of length c. which of the following must be true? check all that apply.

a. is an acute angle.
b. the triangle is not a right triangle.
c. cos < 0
d. the triangle is a right triangle.

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2