the problem goes like this I have to find M
M
I have to find the two of them A and B..plz help me
2006-09-16 06:39:20 · 6 answers · asked by spongebob 1 in Science & Mathematics ➔ Mathematics
complementary angles add up to a right angle (90 degrees), so
m
(5x + 8) + (x + 4) = 90
The rest is algebra:
6x + 12 = 90
6x = 78
x = 13
so m
and m
2006-09-16 06:46:11 · answer #1 · answered by dutch_prof 4 · 0⤊ 0⤋
since A & B are complementary,
5x+8+x+4=90
6x+12=90 or x=13
so A=5(13)+8 = 73 etc
2006-09-16 13:47:01 · answer #2 · answered by m s 3 · 0⤊ 0⤋
If the angles are complementary, their sum is 90 degrees. Which give us 5x + 8 + x + 4 = 90. Solve this for x, and substitute back to finish it.
2006-09-16 13:46:15 · answer #3 · answered by Anonymous · 0⤊ 0⤋
m
6x+12=90
6x=90-12
6x=72
x=72/6
x=12
so m
=68 degrees
m
2006-09-16 14:57:27 · answer #4 · answered by flori 4 · 0⤊ 0⤋
well, I believe complementary angles = 90 degrees
So just make it that 5x+8+x+4= 90
solve for x
and then plug that value back into each equation to find the angles.
2006-09-16 13:45:23 · answer #5 · answered by comptechceo 2 · 0⤊ 0⤋
you have to use the property of complementary angles.This means that you have to add the two angles and they have to add up to 90... so...
(5x+8)+(x+4)=90
6x+12=90
6x=78
x=13
now you have to solve for the angles:
M
M
and now you can check your work by adding the two angles up again...
M
90=90
2006-09-16 13:48:13 · answer #6 · answered by venomfx 4 · 0⤊ 0⤋