The side of an equilateral triangle has a length of 5.4 m. The height of the triangle is approximately 4.7 m. What are the perim
eter and area of this triangle? Round your answers to the nearest tenth.
perimeter: 16.2 m; area: 12.7 m2
A. perimeter: 10.1 m; area: 16.2 m2
B. perimeter: 16.2 m; area: 10.1 m2
C. perimeter: 10.1 m; area: 12.7 m2
help me plz answer asap
2 answers:
Answer:
top option
Step-by-step explanation:
Since A=1/2 (b) (h) then: 5.4 x 4.7 /2=12.69 or 12.7; P= a+b+c P= 5.4 x 3 =16.2 . It is an equilateral triangle meaning all the sides are equal.
so; P= 16.2 m & A= 12.7 m2
The answer is B. perimeter: 16.2; area 10.1 m2
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