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In the diagram, AB = 10 and AC = 2√10. What is the perimeter of △ABC?

A. 10 units
B. 10 + 2√10 units
C. 20 units
D. 20 + 2√10 units

In the diagram AB 10 and AC 210 What is the perimeter of ABC A 10 units B 10 210 units C 20 units D 20 210 units class=

Respuesta :

Nefii

Answer:

D. 20 + 2√10 units

Step-by-step explanation:

Perimeter is the distance all round a figure.


AB = 10. This is given in the question


AC = √((3-5)²+(4--2)²


= √(4+36)


=√40 = 6.32 units


BC = 5 - -5 = 10 units



Perimeter = AB+AC+BC


= 10+6.32+10


= 26.32 units

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