Question

Help Please. Can you check my answers? Most of them have pictures so I will do the best I can to explain them. Or put the link.
1) Mariel is setting tile on the floor of her rectangular kitchen and square breakfast area. The diagram shows the dimensions of the 2 rooms. Each tile covers 1 square foot.
* assets.learnosity.com/organisations/561/293483-168742.jpg
If each tile cost $1.29, how much will Mariel pay to buy tile for both rooms?
* $269.00 MY ANSWER
* $309.60
* $1,986.60
* $1,986.60
2) What is the area of the figure below
* assets.learnosity.com/organisations/561/277893-171117.jpg
* 24cm
* 40cm MY ANSWER
* 48cm
* 72cm
3) What is the area of the figure below
* assets.learnosity.com/organisations/561/281908-51686.jpg
* 109in MY ANSWER
* 100in
* 90in
* 46in
4) What is the area of the polygon
* assets.learnosity.com/organisations/561/290003-160060.jpg
*28cm
*40cm MY ANSWER
*52cm
*64cm

Thank you please help!

Answer 1

#1, no
according to your image, you have a 10by10 square and a 10by14 rectangle
total area = 10*10 + 10*14 = 240
total cost = 240(1.29) = 309.60

#2, yes

#3. , yes

#4, no
total area = the triangle + the rectangle
= (1/2)(base)(height) + 8*5
= (1/2)(8)(3) + 40
= 12+40
= 52