Circumference 67334

What is the area and circumference of a diamond whose diagonals are 7 dm and 12dm in length and 6 dm in height?

Correct answer:

S =  42 cm2
o =  28 dm

Step-by-step explanation:

u=7 dm v=12 dm h=6 dm  S=2u v=27 12=42 cm2
S=a h  a=S/h=42/6=7 dm  o=4 a=4 7=28 dm

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