Solve the Problem $54 \mathrm {~m} ^ { 2 }$ B) $38 \mathrm {~m} ^ { 2 }$

Multiple Choice

Solve the problem.
-A solar reflector is made using 35 identical triangular-shaped mirrors, each having sides 2 meters, 1.7 meters, 1.5 meters. What is the total surface area of the reflector (to the nearest square meter) ?

A) $54 \mathrm {~m} ^ { 2 }$
B) $38 \mathrm {~m} ^ { 2 }$
C) $43 \mathrm {~m} ^ { 2 }$
D) $36 \mathrm {~m} ^ { 2 }$