2 years ago

Pls help :( I’m so stuck in this

Mathematics

2 answers:

hodyreva [135]2 years ago

8 0

Answer:

99.6 ft²

Step-by-step explanation:

Three faces are equal triangles with:

base = 8 units, height = 6 ft

The base is a triangle with:

base = 8 ft, height = 6.9 ft

Surface area is sum of areas of 4 faces:

S = 3*(1/2*8*6) + 1/2*8*6.9 = 99.6 ft²

uranmaximum [27]2 years ago

5 0

Answer:

99.6 ft²

Step-by-step explanation:

Three faces are equal triangles with:

base = 8 units, height = 6 ft

The base is a triangle with:

Step-by-step explanation:

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