Question

Help with one question. Medals + Fan!!!

Answer 1

A pyramid surface area is the sum of a square and 4 triangles

Answer 2

Okay, can you help me on how to work it out? Do you multiply all of those numbers?

Answer 3

that is one of the sides

Answer 4

I'm confused. How do I work this out to get the answer

Answer 5

I need help on #12

Answer 6

You need 4 sides and the base for the total surface area of the pyramid
The base is 10*10

Answer 7

100 but that's not my answer

Answer 8

here is a simpler way i just looked up

Answer 9

Total Surface area of a square pyramid

1/2 *(perimeter of base)*(slant height) + (area of base)

Answer 10

I'm totally lost here

Answer 11

perimeter of base is 4*10 = 40
Slant height = 6
Area of base = 10*10 = 100

Answer 12

Area of Pyramid =

(1/2)(40)(6) + 100

Answer 13

Okay

Answer 14

20*6 + 100 = 220

Answer 15

Okay

Answer 16

The third one can be found the same way

Surface area = (1/2)(4*base Length)(Slant Height) + (base length)(base length)

Answer 17

(1/2) (44)(5) + 11*11

Answer 18

= 231

Answer 19

Okay

Answer 20

so
#1 is C
#3 is D

Answer 21

2 is B?

Answer 22

S.A. of Cone :

pi*radius*slant height + pi*radius^2

Answer 23

Oh okay

Answer 24

yeah i got about 301

Answer 25

so that last #4 must be A

Answer 26

Can you help with more? They might not be as complicated for you and your a great help

Answer 27

yeah i got 188.4 for the last one

Answer 28

looks like you got the bottom 2 correct, perimeter of a hexigon is 6*side length

Circumference of a circle = 2*pi*radius

Answer 29

Help with more?

Answer 30

sure

Answer 31

@DanJS answers would be awesome kinda in a hurry

Answer 32

k

Answer 33

first one is C

Answer 34

282.6

Answer 35

second is 9

Answer 36

You deserve a medal