Step-by-step explanation:
first you have to see the triangle BCD
then hypotheses and perpendicular are given so you have to find base
after finding base. In rectangle ABCD DC is length and BC is breadth so now you can find area by using the formula A = l×b
U would simpiphy it to then get the awnser
Number 1 is x=8!!
2 is pretty confusing so I hope someone else can answer two as I have answered 1!
All i know is that the equation of a straight line is y=mx+c .......where m= gradient and c= the y intercept
Answer:he will save 100 $
Step-by-step explanation: