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: It should be 18...(Multiple of 9)
Step-by-step explanation:
New price = old price + 150 of old price = 45 + (150/100 X45)= 45 + 67.5 = 107.5
Answer:
10:9
Step-by-step explanation:
First ratio is 5:4. 4 is equal to Henry class
If you múltiply the ratio by 2 you get
10:8, This ratio can be compared because now Henry class has 8
2(5:4)
10:8
8:9
Meaning that the answer is 10:9
Answer:
its either a or b but like im pretty sure its A
Step-by-step explanation: