contestada

Find the Perimeter and Area of the
figure.
Round answers to the nearest tenth if
necessary.
B
A
Answer
Attempt 1 out of 2
C
Perimeter =
units and Area
=
units2

Find the Perimeter and Area of the figure Round answers to the nearest tenth if necessary B A Answer Attempt 1 out of 2 C Perimeter units and Area units2 class=

Respuesta :

Answer: Perimeter = 17.4 units, Area = 15 square units

Step-by-step explanation:

The length of AC is 5, by counting. The length of BA is 6, by counting. BC can be found by using the pythagorean theorem:
a^2 + b^2 = c^2, where a = 5 and b = 6
5^2 + 6^2 = c^2
25 + 36 = c^2
41 = c^2
c = sqrt(41)
The perimeter is 5 + 6 + sqrt(41), or 11 + sqrt(41), which is about 17.40.

The area of triangle ABC is base x height x 1/2. The base and height, found before, are 5 and 6.
A = 5 x 6 x 1/2
A = 30 x 1/2
A = 15

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