A waiter at a restaurant automatically earns a certain percent tip on each bill. On a $45 dinner, the waiter makes $9 in tips. W
1 answer:
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Answer:
Given : ∠ABC is a right angle, ∠D BC is a straight angle.
To prove :∠AB D is a right angle.
Proof: ∠ ABC = 90°[ Given]
∠ D BC= 180° [ D BC is a straight line]
now, ∠ AB D and ∠ AB C are adjacent angles forming linear pair.
∠ AB D +∠ AB C =180° [By linear pair axiom]
⇒∠ AB D + 90= 180°
⇒∠ AB D=180°-90°
⇒∠ AB D=90°
∠AB D is a right angle
Hence proved.
Answer:
The equation will be "".
Step-by-step explanation:
Given:
Points (12, 9) = (x, y)
⇒
then,
or,
⇒
then,
⇒
By using the point slope form.
The equation of tangent will be:
⇒