1 Answer

Johann Echavarria · Answer 1 · 2018-08-16T16:52:40+0000

Area of base of Triangle
= ½(15)(5)
= 37½ units²

Area of sides of Triangles
= (15 × 9) + ½(17)(15)
= 262½ units²

Total surface area of Triangle
= 262½ + 37½
= 300 units²

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