42/2=21 (is the sum of both lengths)
2x+11=21
2x=10
x=5
length= 16
width=5
Answer:
Angle C = 45 degrees.
Angle D = 30 degrees.
Step-by-step explanation:
Angle C = 45 + 90 = 135 180 - 135 = 45.
Angle D = 180 - 45 = 135 (angle F) 15 + 135 = 150 180 - 150 = 30
Answer:
C
Step-by-step explanation:
the difference is the same between the points
Step-by-step explanation:
A matrix of order 3×1 means it has 3 rows and one column.