nickynino12 nickynino12

26-03-2020
Mathematics

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3. What is the area of the triangle below?
A)6.0ft^2
B)8.6ft^2
C)15.0ft^2
D)17.2ft^2

3 What is the area of the triangle below A60ft2 B86ft2 C150ft2 D172ft2 class=

Respuesta :

jimrgrant1 jimrgrant1

26-03-2020

Answer:

B

Step-by-step explanation:

Given a triangle with 2 sides and the included angle then area (A) is

A = [tex]\frac{1}{2}[/tex] ab sinC

here a = 7, b = 3 and C = 55°, thus

A = 0.5 × 3 × 7 × sin55° = 10.5 × sin55° ≈ 8.6 ft² → B

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