Middle School

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 perimeter and area of this triangle? Round your answers to the nearest tenth.

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

Answer :

The answer is B. perimeter: 16.2; area 10.1 m2

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

Other Questions