shambrain
shambrain shambrain
  • 04-05-2021
  • Mathematics
contestada

Dose someone know please

Dose someone know please class=

Respuesta :

DontEatBats DontEatBats
  • 04-05-2021
The sum of all the angles in this line equals 180
a+90+21=180
a+111=180
a=69
Answer Link
KIBUTSUJI
KIBUTSUJI KIBUTSUJI
  • 04-05-2021

Answer:

i think its like:

see that middle angle there, thats a 90° angle and straight linea measure 180°. so add 90 + 21 and subtract from 180

Answer Link

Otras preguntas

factor the question=x^2-14x+49
What represents instantaneous velocity on a graph?
For the fair the organizers ordered 32 rolls of tickets each roll of tickets has 100 tickets how many tickets were ordered in all?
a=(vf-vi)/t solve for vf
convert to a scientific notation  860,000,000,000 =
what is 1 20/32 as a decimal and percent?
25% of 88 is the same as what percent of 22? 1) 12 1/2% 2)40% 3) 50% 4) 100%
67.943 in expanded form
A bus on a regular schedule takes 3 1/4 hours to reach its destination. The express bus takes 2 1/2 hours to make the same trip. How much travel time can be sa
If  lies in the quadrant IV. What can be the value of cos  ?