Use long division to convert the rational number 4/9 to its equivalent decimal form. In your final answer, include all of your w
1 answer:
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Answer:
A ≈ 2 ft²
Step-by-step explanation:
The area (A) of a triangle using Heron's formula is
A =
where s is the semiperimeter and a, b , c the sides of the triangle.
s = =
=
= 4.5
Then
A =
=
=
≈ 1.9843...
= 2 ft² ( to the nearest square foot )
9514 1404 393
Answer:
16.8°
Step-by-step explanation:
The Law of Cosines can be rearranged to give the angle measure.
angle Q = arccos((p² +r² -q²)/(2pr))
angle Q = arccos((690² +450² -290²)/(2×690×450))
angle Q = arccos(594500/621000) ≈ 16.7985°
The measure of angle Q is about 16.8°.
