Answer:
x=8
Step-by-step explanation:
we know that
If Quadrilateral RSTU is a rectangle
then
The measure of angle STU is a right angle
m∠STU=90°
m∠STU=m∠STR+m∠RTU
so
m∠STR+m∠RTU=90° -----> complementary angles
substitute the given values
(3x-2)+(8x+4)=90°
Solve for x
11x+2=90
11x=90-2
11x=88
x=8
In the first one it would be (21-8)-6=7.
and in the second one it would be 21-(8-6)=19
Answer:
C & D
Step-by-step explanation:
Because A&B are wrong
y-y1 over x-x1 its almost the same as y=mx+b
