Given: REGULAR Octagon with Perimeter of 76 inches 1. Sum of Interior Angles = 2. Each Angle, <1= 3. Each Side, AB= 4. Each Exterior Angle <2= Given: REGULAR 20-gon with Perimeter of 184 inches 1. Sum of Interior Angles = 2. Each Angle, <1= 3. Each Side, AB= 4. Each Exterior Angle <2= A D Given: ABCD x = y = y+4 11 2x+5 2x+4 AC = B C A D 8x 4y Given: ABCD x = y = m<A= m<B= 7x+8 y+87 B C A D 4x-8 Given: ABCD x = y = 3y-15 m<A= m<D= 2y B C A D 2y-3 Given: ABCD x = y = 4x-9 3x+3 Perimeter = 2x+1 B C D 5 A 1 2 3 C 4 m<1 = m<2 = m<3 = m<4 = B m<5 = 20 D x = y = A 4 3x+2 y+1 x+3 C AC = B D A 6x+32 17x-1 C B x =m<A = A D Given: Rectangle ABCD 4x-12 x = x+2 B C A D Given: Rectangle ABCD 5x - 5 x = 3x + 3 B C BD = D A C B 3X+5 x =m<A = 2X+10 A 21 34 AC = C A 21 34 AC = C |