Billy was counting the number of wheels and bike seats at the playground. He saw tricycles and bicycles. He counted 79 wheels an
2 answers:
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Answer:
see explanation
Step-by-step explanation:
Given
tan a = =
We require the hypotenuse h
Using Pythagoras' identity
h² = 9² + 40² = 81 + 1600 = 1681 ( take square root of both sides )
h = = 41 , thus
sin a = =
cos a = =
Answer:
Jacklyn is wrong because
Step-by-step explanation:
We have that :Jaclyn estimates that the square root of 50 in the following way:
Jacklyn is wrong because she made an error at
The correct expression is
This gives: