![mj1226](/avatars/20435.jpg)
mj1226
10.07.2019 •
Mathematics
Ross is building a model of a square pyramid for a class project. the side length of the square base is 18 inches and the slant height of the pyramid is 19 inches. what is the surface area of the model pyramid? a. 666 in.2 b. 684 in.2 c. 1008 in.2 d. 495 in.2
Solved
Show answers
More tips
- H Health and Medicine Hangover: How to Get Rid of It Quickly?...
- S Style and Beauty How to Choose the Right Fur Coat and Avoid Regrets?...
- C Computers and Internet How to Create a Folder on Your iPhone?...
- G Goods and services How to sew a ribbon: Tips for beginners...
- F Food and Cooking How to Make Mayonnaise at Home? Secrets of Homemade Mayonnaise...
- C Computers and Internet Which Phone is Best for Internet Surfing?...
- F Food and Cooking Everything You Need to Know About Pasta...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
Answers on questions: Mathematics
- M Mathematics Does anybody know how to make greater or less than sign with line underneath? i just found out yesterday on how to do it is easy. just type greater or less than sign and just type...
- M Mathematics If a car travels at a speed of 25 mi/h for t hours, then travels 45mi/h for m hours, what does the expression 25t+45mi represent...
- M Mathematics Acomplex number, (a + bi), multiplied by (2 + 3i) and added to -i gives the product of (-11 + 5i) and (1 – i). a = and b =...
- M Mathematics Two planes left simultaneously from the same airport and headed in the same direction towards another airport 1800 km away. the speed of one of the planes was 100 km/hour slower...
- M Mathematics Linda frankell pays $50.00 a month for group health insurance. there is a $300 deductible. her medical bills for the last year were $2,600.00. linda s insurance company provided...
- M Mathematics Use the cosine sum and difference identities to find the exact value. cos(5pi/12)...
- M Mathematics The dot plots below show the weights of the players of two teams: two dot plots are shown one below the other. the top and the bottom plots have the title team e and team f respectively....
- M Mathematics Which ratio from a proportional with 18/27...
- M Mathematics Let i be the first of four consecutive integers. what is 3 less than the sum of those integers ?...
- M Mathematics La suma de dos números es 21 uno es la mitad del otro. encontrar los números...
Ответ:
Surface area of a square pyramid
= area of the base + 4 times area of one of the slanted faces
Area of the base = side length * side length = 18*18 = 324
Area of one slanted face = (1/2) * side length * slant height = 1/2*18*19 = 171
Surface area = 324 + 4 * 171
= 1008 in.2
ans is C
Ответ:
-30 i guess not sure