Please help with explanation to solutions for questions #1-7. See attached photos. The answers are also below.

Questions: Exit Fullscreen 1. Points A and B lie on a circle with radius 10 cm and centre at point C. Find the measure of angle ACB that produces a maximum area for triangle ACB. 2. An isosceles triangle ABC is inscribed in a circle with radius 8 cm and centre at point O. Find the measures of the angles and the lengths of the sides that produce a maximum area of triangle ABC. 3. An isosceles triangle ABC is circumscribed about a circle with radius 8 cm and centre at point O. Find the measures of the angles and the lengths of the sides that rafter rafter produce a minimum area of triangle ABC. 4. A roof truss is in the shape of an isosceles triangle. The two rafters are the same length. Find the measure of the angle between the rafters that produces the 2 m minimum area inside the truss. rafter 5. A roof truss is in the shape of a right triangle. Find 6 m the measure of the angle between the beam and the rafter that will produce the shortest rafter. 1 m 6. Rectangle ABCD has AB = 5 cm and BC = 12 cm. Find the maximum area of the rectangle that can be 8 m beam circumscribed about rectangle ABCD. 7. In quadrilateral ABCD, AB = 2, BC = 3, CD = 4 and DA = 5. Find the measure of angle B that produces that maximum area of the quadrilateral.Answers: 1) - 2)-, 8V3 cm 3) -, 16V3 cm 4) 0.588 003 rad = 33.69 5) 0.463 648 rad # 26.57 6) 144.5 m 7) 2.139 407 rad = 122.580