Answer:
9r
Step-by-step explanation:
Multiply 9 and r together.
It’s B
Explanation: use desmos or trust me lol
Answer: Right Angle
Step-by-step explanation:
And Since The Angles Of a Trangle Add Up To 180° When You Substract 90 From It You Remain With Another 90° Which Means The Angle Is Non Other Than a right angle traingle
60° + 30° = 90°
180° - 90° = 90°
∴ 90° = Right Angle Traingle
Answer:


Step-by-step explanation:
Solving (47):
To solve for B, we have:
--- sum of angles in a triangle
This gives

Collect like terms


Solving (48):
To solve for Y, we have:
--- sum of angles in a triangle
This gives

Where
-- angle on a straight line
Solve for X


So, we have:



Answer:
5, 11, 17, 23, 29, and 35
Step-by-step explanation:
The formula is <em>n</em>+6, where <em>n</em> stands for the previous number.