Question

In the figure, E is the midpoint of side CB of rectangle ABCD and x=45. AB is 3 cm, what is the area of rectangle ABCD, in square cm

Answer 1

which figure?

Answer 2

you can take a picture of the rectangle from your book and attach it as a file here

Answer 3

uploading it now

Answer 4

Okay, AB is 3 cm, And x or DE is 45 cm.

Answer 5

so if AB is 3 cm, what is the length of DC?

Answer 6

are you thinking about it?

Answer 7

dc is 3

Answer 8

and i don't think de is 45 cm

Answer 9

In the figure above, E is the midpoint of side CB of rectangle ABCD, and ∠x = 45°. If AB is 3 centimeters, what is the area of rectangle ABCD, in square centimeters?

Answer 10

I see
x is the angle ade

Answer 11

right

Answer 12

okay, angle ADE is 45, what is the angle CDE?

Answer 13

i think DC IS 3 and CE is also 3

Answer 14

45-45-90 triangle

Answer 15

okay good. I hope you got that
tan 45 = CE/DC

Answer 16

alright. So if CE is 3 cm and E is the midpoint of CB, what is the length of CB?

Answer 17

6

Answer 18

great! so what is the area of the rectangle?

Answer 19

18

Answer 20

yes, you should say 18 sq.cm though, because length and breadth are in cms.

Answer 21

thank you very much

Answer 22

you are welcome.