Find the Area of Triangle ABC with the Given Parts $1.7$

question 190

Multiple Choice

Find the area of triangle ABC with the given parts. Round to the nearest tenth when necessary.
-A solar reflector is made using 32 identical triangular-shaped mirrors, each having sides $1.7$ meters, $2.3$ meters, $1.4$ meters. What is the total surface area of the reflector (to the nearest square meter) ?

• A) \(45 m ^ { 2 }\)
• B) \(38 \mathrm {~m} ^ { 2 }\)
• C) \(35 \mathrm {~m} ^ { 2 }\)
• D) \(33 \mathrm {~m} ^ { 2 }\)

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