Step-by-step explanation:
SA=ph+2A, that is, perimeter × height+ twice area
p=21+20+29=70cm
h=22cm
70×22=1540cm
A=1/2 ×20×21=210×2=420
1540+420=1960cm2
Answer:
1. D
2.C
3. A
4.B
5.C
6. C? or D(i think c cause it's 3 places but it can be d because the 0 is just a placeholder)
7.C
8.C
Step-by-step explanation:
Answer:
c=7.07
Step-by-step explanation:
c²=a²+b²
c²=5²+5²
c²=25+25
c²=50
c=√50
c=7.07
B. c=7.07 (to nearest hundredth)
C. c=√50= 5√2 in radical form
Answer:
(m+n)/10
Step-by-step explanation:
divide 10 by the sum of n and m
(m+n)/10
