Question

check?

Answer 1

Well the answer is not 150 \(\text{cm}^2\). Do you see why?

Answer 2

100?

Answer 3

Not according to my calculations.

Answer 4

oh

Answer 5

can you explain?

Answer 6

You essentially have a 150 square centimeter area, but there is a 5 by 5 cm piece missing.

Answer 7

Do you see that from the picture?

Answer 8

ohh

Answer 9

Is that a "yes?" :)

Answer 10

yesh

Answer 11

So the area is \(150-25\), right?

Answer 12

yes so a?

Answer 13

Right.

Answer 14

ty

Answer 15

You're welcome. :)

Answer 16

\[\checkmark\]

Answer 17

That's not right. The area of a trapezoid is the average (arithmetic mean) of the bases times the height.

Answer 18

84

Answer 19

Yes!

Answer 20

Funny note: I'm not certain, but I think it's necessary to write the vertices of a polygon in a consecutive order, whereas in the diagram they jump from B to C. This might be illegal.

Answer 21

No it's 125 that is the answer