Answer:
r = 19.2deg
Step-by-step explanation:
6r + 5 = 30 + 90 (exterior angles of a triangle)
6r = 115
r = 19.2deg (1dp)
Topic: Angles
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Answer:
Option C. X=A/4
Step-by-step explanation:
we know that
The area of the rectangular post it note is equal to

where
L is the length
W is the width
In this problem we have


substitute

solve for x
That means ----> isolate the variable x
Divide by 4 both sides

C. 9y + 13
9y is the same as 9 times y (a variable representing a number), + 13
Answer:8
Step-by-step explanation: