In my opinion I would pick the top for both answers
[7, 2] + ([-3, 6] - [2, -4]) = [2, 12]
Answer: m∠X + m∠Y < 90°
Step-by-step explanation:
We know that any triangle's angles add up to 180. But if one of those angles measures is greater than the two other angles, it is greater than 90. That would also mean those other angles are less than 90. So m∠X + m∠Y < 90°. Hope this helps, please consider Brainliest (click on the crown).
Answer:
10 squared units
Step-by-step explanation:
This triangle is pretty easy since it creates a right triangle. So the base length and height length are pretty easy to identify.
The area of a triangle is .5*base*height.
The base length after drawing the points is a horizontal so just count it or do 4-0=4.
The height length after drawing the points is a vertical so just count it or do 4-(-1)=4+1=5.
So the area of the triangle is .5*4*5=.5(20)=10 units squared.
Now if you didn't fill like drawing it and you knew how to find the determinant.
You just compute
.5 times det| 0 -1 1 |
| 0 4 1 |
| 4 -1 1 |
.5[ 0 det| 4 1 | - -1 det| 0 1 | + 1 det | 0 4 | ]
| -1 1 | | 4 1 | | 4 -1 |
.5[ 0 - -1(0-4) + 1(0-16)]
.5[ 0 -4 -16]
.5[-20]
-10
And if you get a negative just take the absolute value of it giving you 10.
B in has the intersection with quadrant 1 and 3