Answer:
Step-by-step explanation:
surface area = 2 × base + lateral area
base = (10×20)÷2 = 100
Lateral area = perimeter × height
= (20+14+14)×28
=1 344
Final answer :
= 2 × 100 + 1344
= 200 + 1344
= 1544
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4-2x = 3
-2x = 3-4
-2x = -1
x = 1/2
