Triangles are worth 3 points. Quadrilaterals are worth 4 points. Parallelograms are worth 5 points. Each student identifies and
1 answer:
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What is percentage change?
By quantifying the difference between two numbers and expressing it as an increase or decrease, the Percentage Change Calculator (percent change calculator) may determine the percentage change.
The initial price (100%) was decreased by 10%., then this reduced price is reduced more by 20% that becomes the final price
which is 72.
Calculate percentage change from to
.
=
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Answer:
d
Step-by-step explanation:
Using the Cosine rule to find ∠ A
cosA =
=
=
= , then
∠ A = (
) ≈ 84.9° ( to 1 dec. place )