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How do you calculate the degrees of an equilateral triangle?
1 + 1
60+60+60
90×90

If one side of a square measures 40cm, what would be the procedure to know the perimeter?
40+40+40+40= 160
40÷4= 10
40×40=1600

Maria sold 40 vegetables out of 100 and has to sell them all by the end of the day. How many vegetables does she have left to sell?
200
40
60

Use the pythagoras theorem to determine the area of a triangle that has a 90 degree, a base of 20cm and a height of 30cm