57) a. 300.3 dm²
58) d. 52 cm² (used 2lw + 2lh + 2hw method)
Answer:
57.A
58.D
Step-by-step explanation:
57.) 4•3.14•4.89²
4.89•4.89= 23.9121
23.9121•3.14= 75.083994
75.083994•4= 300.335976
300.335976 to the nearest tenths is 300.3 dm²
58.)2(wl+hl+hw)
2•3 + 4•3 + 4•2
6+12+8= 26
26•2= 52 cm²
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Answers & Comments
57) a. 300.3 dm²
58) d. 52 cm² (used 2lw + 2lh + 2hw method)
Answer:
57.A
58.D
Step-by-step explanation:
57.) 4•3.14•4.89²
4.89•4.89= 23.9121
23.9121•3.14= 75.083994
75.083994•4= 300.335976
300.335976 to the nearest tenths is 300.3 dm²
58.)2(wl+hl+hw)
2•3 + 4•3 + 4•2
6+12+8= 26
26•2= 52 cm²
SUBSKRAYB NYO WAYTI TSANEL KO ClynKun BEKE NEMEN SALAMATTTT