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.
For serious anchoring, using 3 to 4 feet of heavy chain connected directly to the anchor is advised. The length of the chain should be equal to the length of your boat. For a brief stop or for fishing, an all rope anchor rode or shorter chain will be sufficient.