Question

Lana draws a triangle( LMN) on the coordinate plane. What is the perimeter of the triangle( LMN)? Round to the nearest unit.

Answer 1

Answer:

25

Step-by-step explanation:

The longest side is 12.

The two other sides of the triangle=$\sqrt{3 squared+6 squared}$=(9+36)square rooted=45 square rooted is about 6.7.

6.7*2=13.4

13.4+12=25.4

25.4 rounded to the nearest unit is 25.

Answer 2

The perimeter of the triangle( LMN) round to the nearest unit is 31 units

The perimeter of a triangle

The formula for calculating the perimeter of triangle LMN is expressed as:

Perimeter of LMN = LM + MN + LN

From the figure

LN = 12 units

LM = MN = √(3-(-3))²+(5-2)²

LM = MN = √9²+3²

LM = MN = √90

LM = MN = 9.49 units

The perimeter of triangle LMN =12 units + 2(9.49)

The perimeter of triangle LMN = 31 units

Hence the perimeter of the triangle( LMN) round to the nearest unit is 31 units

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