Does anyone know the answer to 7-8
2 answers:
7 is 
miles; the question includes the words "in all", which shows that the two fractions should be added together. To add fractions with the same denominator, you must simply add the numerators and keep the denominator unchanged.
8 is
yards of ribbon; this one also requires you to add the fractions-- the numerators should be added, but the denominator stays the same because the two fractions share the same denominator.
8 is
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Answer:
The total surface area of a regular hexagonal pyramid is 146.2 cm².
Step-by-step explanation:
The base is a regular hexagon 4cm on a side. its height is 8 cm.
The total surface area of a pyramid with regular hexagon base
Where, a represents the base edge and h represents the height of the pyramid.
The area of given regular hexagonal pyramid is
The total surface area of a regular hexagonal pyramid is 146.2 cm².