Answer:
Step-by-step explanation:
10 times 3 is 30, so 10yd x 3yd is 30yd squared.
[tex]10 \: yd \: \times \: 3 \: yd = 10 \times 3 \: {yd}^{2} = \: 30 \: {yd}^{2} [/tex]
this is the answer