Find The Area Of A Regular Octagon With A Side Of 13cm Long.
Find the area of a regular octagon with a side of 13cm long.
Answer:
815 cm²
Step-by-step explanation:
A = 2 (1 + √2) s²
A = 2 (1 + √2) 13²
A = 2 (1 + 1.41) 169
A = 2 (2.41) 169
A = 814.58
A = 815 cm²
Comments
Post a Comment