Question

No trolls or links or i will report

Answer 1

Area of base rectangle

• 7(4)
• 28ft²

Area of rest triangles

• 2(1/2BH)+2(1/2bh)
• BH+bh
• 4(6.3)+7(5.6)
• 64.56ft²

Now

TSA

• 64.56+28
• 92.56ft²

Answer 2

• 92.4 ft²

Explanation:

Total surface area comprises one rectangular base and two pairs of diferent triangles.

Area of rectangle

• A = lw

Area of triangle

• A = 1/2bh

Substitute and find

• A = 7*4 + 2(1/2*4*6.3) + 2(1/2*7*5.6) = 92.4 ft²