Level 3: Solve the following 8 problems:

The tale of seven swans a swimming: The seven swimming swans are aquatic detectives investigating an insignia found on a boat in the marina. Do not assume the diagram is drawn to scale. The insignia consists of a right triangle, a rhombus, an equilateral triangle, and an isosceles obtuse triangle. Other known facts: • marked diagram is given • certain lengths are shown • straight segment from    point A to point B • m∠1 = 7x + 18 • m∠2 = 3x + 12 • m∠3 = 100º 1. Find the exact length of the perimeter of the insignia.     Find the exact measures of the following angles: 2. m∠1 = ______ 3. m∠2 = ______ 4. m∠4 = ______ 5. m∠5 = ______ 6. m∠6 = ______ 7. m∠7 = ______ 8. m∠8 = ______

Read carefully!!
Find the sum of all 8 answers. From the sum, subtract . Square the result. Place this answer in the address below (following the capital letter "H"), and type the address into your browser to find the next hidden box.

http://mathbits.com/caching/holiday/H__________.html