If a ⊥ y and x ∥ y, then _____ x ⊥ a. x ∥ z. a ∥ b. a ⊥ z.
2 answers:
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Notice that the denominators are 3 and 7, which are factors of 21.
So express all the fractions with denominator 21:
On Monday
are sold
On Tuesday
are sold
On Wednesday
are sold
by Thursday
of the tickets was sold.
Answer:
So express all the fractions with denominator 21:
On Monday
On Tuesday
On Wednesday
by Thursday
Answer:
Answer:
C and D
Step-by-step explanation:
1
The arc length is calculated as
arc = circumference of circle × fraction of circle
= 2πr ×
= 2π × 10 × =
=
cm → C
-----------------------------------------------------
2
The area (A) of a sector is calculated as
A = area of circle × fraction of circle
= πr² ×
= π × 10² × =
=
cm² → D
