Answer:
a
Step-by-step explanation:
yessir
Use the Pythagorean theorem:
x = √(12^2 + 9^2)
x = √(144 + 81)
x = √225
x = 15
its b i think
Step-by-step explanatioits n:
bye :)
rectangle hope it helpss
62,5721
12,01 × 5,21
= 62,5721