2 years ago

What is the perimeter

Mathematics

2 answers:

Westkost [7]2 years ago

7 0

Answer:

The answer to your question is: letter D

Step-by-step explanation:

First we need to find the distances between the points,

distance AB = 8 get it just by counting the points in the graph

distance AC = 9 get it just by counting the points in the graph

To know the distance BC, use the pythagorean theorem

c2 = a2 +b2

c2 = 8² + 9²

c² = 64 + 81

c² = 145

c = 12.04

Finally, perimeter = AB + AC + BC

= 8 + 9 + 12.04

= 29.04 units

Hunter-Best [27]2 years ago

3 0

Answer:

D: 29.04

Step-by-step explanation:

AB = 7.5

AC = 7.5

P= 2x(LxB)

P= 2x(7.5+7.5)

P=2x15

P=30

Ans D is the closest.

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