Question

Two complementary angles have measures in the ratio 5:4. What is the measure of the SMALLER angle?

A) 100 degrees B) 50 degrees C) 80 degrees D) 40 degrees

Answer 1

Let one angle be 5x
Let the other angle be 4x
5x+4x=90

Answer 2

@Mertsj, but that's not any of the choices

Answer 3

Did you solve the equation?

Answer 4

wait, one minute

Answer 5

@Mertsj I subtracted 4 from both 4x and 5x

Answer 6

Isn't there a plus sign between the 4x and the 5x?

Answer 7

Yes, but I thought u subtract from both sides

Answer 8

What do you suppose that plus sign means?

Answer 9

addition

Answer 10

What is 4 cats + 5 cats?

Answer 11

9

Answer 12

9 what?

Answer 13

oh, and divide nine by 90

Answer 14

9 cats

Answer 15

divide both sides by 9

Answer 16

9x=90

Answer 17

9/9 crosses out and 90/10=9

Answer 18

I got x=10

Answer 19

So what are the two angles?

Answer 20

90/9*

Answer 21

10 and 9

Answer 22

Hint: One angle is 4x and the other angle is 5x

Answer 23

D) 40 degrees

Answer 24

@Mertsj

Answer 25

Bingo

Answer 26

Yay!!! actually, I got 39 though lol

Answer 27

Whatever.

Answer 28

lol, thanks!

Answer 29

yw