Answer: she made a mistake between 1 and 2
Answer:
11.59 square meters
Step-by-step explanation:
For a triangle the area formula is
A = (1/2)*b*h
A = (1/2)*(3.8 m) * (6.1 m)
A = 1.9 * 6.1 = 11.59 square meters
The answer to your question is x= -12 hope this helps ! Makes sure you put the negative !
20. Since PQS = 112, RQS = 112 - 72 = 40
So now we know 10X = 40
Divide both sides by 10: X = 40/10 = 4.
21. 16Y = 135 - 47
16y = 88
y = 88 / 16
y = 5.5
22, each side length is about 15.6. when you use Pythagorean theorem you can get it more accurate. 242 + 242=c^2 which is the side lengths squared anyways. you add to get 484=c^2 so square root and you get 22 units as you r answer!
hope it helps!