'Its surface area can be determined by using 4 pi r<sup>2</sup>'
a sphere
EREY WORDS: Its surface area can be determined by using 4 pi r<sup>2</sup>
Its surface area can be determined by using 4 pi r<sup>2</sup>
Its surface area can be determined by using 4 pi r<sup>2</sup>
"ERE"Y WORDS
a sphere
"ERE"Y WORDS