1 So, the angles of an equilateral triangle are Congruent Angles. 2  A square and a rectangle have all their angles measuring 90Â°. So, the angles of a square and a rectangle are Congruent Angles. 3  Congruent Angles Figures have the same shape and size.  Congruent Angles Segments have the same length.
The Seachoice River Anchor will also catch and hold better on rough bottoms. Black vinyl-coated to protect the finish of your boat. Available in 12 and 15 lbs for smaller boats. Look to the 20 or 30 pound anchor for a typical pontoon.
The most you can add is 600 lbs with a 3/4-inch wallboard with a 1/2-inch anchor. The most weight a 3/16-inch anchor will take is 420 lbs. A 1/4-inch anchor can take 445 lbs.; 5/16-inch anchor can take 510 lbs.; and 3/8-inch anchor can take 530 lbs. (all for a 3/4-inch wallboard). An anchor size 1/8-inch can take 310 lbs; sized 3/16 inch can take 700 lbs, and 1/4 inch can take 1390 lbs.