Zach is 4 years older than twice his sister Maya’s age. Maya is 5 years old. How old is Zach? Enter your answer in the box.
2 answers:
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Answer:
x = 4 , y = 2
Step-by-step explanation:
Using the sine / tangent ratios in the right triangle and the exact values
sin60° = and tan60° =
, then
sin60° = =
=
( cross- multiply )
x = 4
( divide both sides by
)
x = 4
and
tan60° = =
=
( multiply both sides by y )
y = 2
( divide both sides by
)
y = 2
Answer:
C
Step-by-step explanation:
area of circle is found by
r=4 so 4*4=16
so A=16
we are finding area of shaded part so 45/360(16)