the complete question is
Heron’s formula: Area Use the triangle pictured to calculate the following measurements. Perimeter: p = units Semiperimeter: s = units Area: A ≈ square units. The triangle is 8 by 12 by 10
Part a) Calculate the Perimeter:
The perimeter of the triangle is the sum of its sides.
the answer Part a) is
The perimeter is equal to
Part b) Calculate the Semi-perimeter:
The semiperimeter of a polygon is half its perimeter.
the answer part b) is
the semiperimeter is equal to
Part c) Calculate the Area
we know that
You can calculate the area of a triangle if you know the lengths of all three sides, using a formula that
It is called "Heron's Formula"
where
s: is the semi-perimeter
a, b, c are the length sides.
the answer Part c) is
Answer:
D
Explanation:
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