The question marked angle is equal to 138
Answer:
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Step-by-step explanation:
<h3><em>Perfection : Something that is faultless and has no single mistake or issue.....</em></h3>
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Answer:
27.88
Explanation:
10.23 + 17.65 = 27.88
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Answer:
SA = 2400 cm²
Step-by-step explanation:
SA of a cube = S² x 6 (the number of its faces)
SA = 20² x 6
SA = 400 x 6
SA = 2400 cm²