What are the dimensions of baseball plates?

Answer:
Rule 1.05 states:
"Home base shall be marked by a five-sided slab of whitened rubber. It shall be a 17-inch square with two of the corners removed so that one edge is 17 inches long, two adjacent sides are 8½ inches and the remaining two sides are 12 inches and set at an angle to make a point."

Rule 1.07 states:
"The pitcher's plate shall be a rectangular slab of whitened rubber, 24 inches by 6 inches."
First answer by Cyberdadstl. Last edit by Cyberdadstl. Contributor trust: 18 [recommend contributor recommended]. Question popularity: 2 [recommend question].