Question

On a boat, a cabin's window is in the shape of an isosceles trapezoid, as shown below. What is the area of the window?

Answer 1

140,150,195,390 are the choices

Answer 2

remember area of a trapezoid?

Answer 3

yup!

Answer 4

(base, base 2) height

Answer 5

so top base is 10, what is the length of the bottom base?

Answer 6

3

Answer 7

no 3 is the length of the base of that small triangle

Answer 8

Oh my bad

Answer 9

the base is split into three parts

Answer 10

so 15

Answer 11

no that's the height

Answer 12

oh?

Answer 13

wait a sec lemme draw

Answer 14

OH 10!

Answer 15

no no the equivalent side of the rectangle is 10
there are also 2 parts of length 3 on the left and right, do you see?

Answer 16

yeah so two threes

Answer 17

one on the left and the other on the right

Answer 18

so the bottom base is?

Answer 19

6

Answer 20

no it's 3+10+3 = 16

Answer 21

Oh sorry 😥

Answer 22

It's ok but do you get why

Answer 23

yes

Answer 24

ok that's good

Answer 25

can you figure out the area then?

Answer 26

1/2( 10+3+3) 15 is this the correct equation?

Answer 27

yep!

Answer 28

Okay let me solve real quick!

Answer 29

120

Answer 30

Is there another step?

Answer 31

Nope that's the right answer