Answer:
Step-by-step explanation:
let one diagonal=x
other diagonal=3x
area=1/2 (x±3x)=3/2 x²=54
x²=54×3/2=81
x=9 cm
3x=3×9=27
sum of diagonals=x+3x=4x=4×9=36 cm
Answer:
parallelograms, btw nice keyboard
Step-by-step explanation:
Answer:
13 3/4 cupcakes for each person
Step-by-step explanation:
55 cupcakes and 4 friends
55/4 = 13 3/4
