a customer paid P280 as a laybye for a generator .this is 1÷3 of the total cost of the generator .calculate the balane to be paid

Urgent? will give brainliest given that the blue triangle is a right triangle, which expression correctly gives the area of the red square? a) a2 + b2 b) a2 - b2 c) a2 - c2 d) c2 - a2