The area of a triangle formal is base times height divided by 2. So 9x 12 which equals 108 then you divide that by 2 which equals 54 and the unit is cm^2
Answer:

Step-by-step explanation:
remember that,
<u>if a side of a triangle is extended then exterior angle so formed equal to the sum of the two opposite interior </u><u>angles</u>
thus our equation is

cancel out 86° from both sides:

hence,
the measure of the missing angle is 49°
Answer:
if you can post a picture of the graph maybe I can tell you alright
Step-by-step explanation:
Answer:
4 degrees
Step-by-step explanation:
24 degrees :6 hours
divide by 6 for the unit rate.
4 degrees : 1 hour
You were right already it’s A