1. Find the area of a square if its side measures 9xy²?
- 3x.
2. What is the area of the rectangle if its length measures
3s²r²+ 7q cm and its width is 3s²r²- 7q cm?
- 3x.
2. What is the area of the rectangle if its length measures
3s²r²+ 7q cm and its width is 3s²r²- 7q cm?
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ANSWER:
1. 81x²-72x+16
Step-by-step explanation:
For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area. This is the same as saying length² or length squared.
Therefore, (9x-4)²
=81x²-(2)(9x)(4)+4²
=81x²-72x+4²
=81x²-72x+16
Sorry i dont know the answer on number 2
but hope this answer helps thankyou ans welcome
#Brainly:)