In triangle XYZ, the sides are x = 4, y = 13, z = 15. Find the height corresponding to side z.
Options
A
2.7
B
5.4
C
6.2
D
3.2
Answer & Analysis
Answer
D
Analysis
Question Analysis
Given triangle with sides , , , the goal is to find the height corresponding to side . This requires calculating the area using Heron’s formula first, then using the area to determine the height.
Key Concept Explanation
1. Heron’s Formula: For a triangle with sides , , , the area , where (semi-perimeter).
2. Height from Area: The height corresponding to base is , derived from the area formula .
Step-by-Step Solution
1. Calculate the semi-perimeter :
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