Find the area of triangular field whose sides measure 156m,169m, and 65 m determine the length of its shortest altitude
Answers
Answered by
10
Answer:
Step 1: Find the perimeter:
1980 / 18 = 110
Step 2: Find the length:
110 - 23 * 2 = 64 / 2 = 32tep-by-step explanation:
Answered by
0
Answer:
Area=5070m²
Shortest altitude=60m
Step-by-step explanation:
let the sides be a,b&c
Semiperimeter (s)
= (65+156+169)/2
= 390/2
= 195
area = √s(s-a)(s-b)(s-c)
= √195(195-65)(195-156)(195-169)
= √ 195(130)(39)(26)
= √ 25704900
= 5070m²
area of ∆ = 1/2 × base × height
Or,5070 = 1/2 × 169(largest base)× altitude
Shortest altitude = 5070÷169/2
= 60m
#SPJ2
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