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21-03-2021
Mathematics

contestada

To the nearest tenth, which is the perimeter of ABC?
61°
20
29°
B
A 9.6
o
B. 17.4
C. 27.2.
0 D 47.2

To the nearest tenth which is the perimeter of ABC 61 20 29 B A 96 o B 174 C 272 0 D 472 class=

Respuesta :

21-03-2021

Answer:

Step-by-step explanation:

BC = 20sin(61°) ≅17.5

AC = 20cos(61°) ≅ 9.7

perimeter = 20+17.5+9.7 = 47.2

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