Click the trashcan to clear all your answers. A pyramid has a regular hexagonal base with side lengths of 4 and L. A. =a slant height of 6. Find the total area of the pyramid.

Total area of pyramid = 113.57 sq units

Step-by-step explanation:

Given that

Pyramid has a regular hexagonal with side, a = 4 units

Slant height = 6 units

To find: Total Area of pyramid = ?

Solution:

Total area of pyramid = Area of hexagon + Area of each triangular face

Area of hexagon is given as:

There are 6 triangular faces with base = 4 units and height as 6 units.

Area of 6 triangular faces:

Total area of pyramid = 41.57 + 72 = 113.57 sq units

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step-by-step explanation:

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answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.