Which of the following is NOT an example of a right angle? Ο Α.The corner of a door

O B. The corner of a book

C. The point of a pencil

D. The corner of a piece of notebook paper

The point of a pencil

Step-by-step explanation:

all other three mesure 90 the point of pencil is not square shape in order for it to be right angle its gotta be square shape hope this helps! may i be marked brainliest?

Point of  a pencil

Step-by-step explanation:

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hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )

sina-sinb

cosb+cosa

tana-tanb

cos0+cos x pi/3

20tan

step-by-step explanation: