sammybrucechannel sammybrucechannel

15-04-2022
Mathematics

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3. What is the area of the triangle below? (1 point) O 6.0 ft2 O 8.6 ft2 O 15.0 ft? O 17.2 ft2

3 What is the area of the triangle below 1 point O 60 ft2 O 86 ft2 O 150 ft O 172 ft2 class=

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jimrgrant1 jimrgrant1

15-04-2022

Answer:

A ≈ 8.6 ft²

Step-by-step explanation:

the area (A) of the triangle is calculated as

A = [tex]\frac{1}{2}[/tex] × 7 × 3 × sin55°

= [tex]\frac{1}{2}[/tex] × 21 × sin55°

= 10.5 × sin55°

≈ 8.6 ft²( to 1 dec. place )

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