Answer:
7
7
the reson why is becuase the length and width are equal
Step-by-step explanation:
Answer:
a=15
Step-by-step explanation:
By pythagoras' theorem
25²=20²+a²
625=400+a² group like terms
a²=625-400
a²=225

therefore a=15
Answer:
b. false, i think!
Step-by-step explanation:
25 cubic centimeters....
Hope this helps! all you had to do it multipley <span />