3 years ago

The total surface area of this triangular pyramid is_____? help asap

Mathematics

1 answer:

Inessa05 [86]3 years ago

3 0

Answer: 208 in^2

Step-by-step explanation:

find the surface area of the square base

8(8)=64

find the surface area of the 4 triangular lateral faces

SA=4(bh÷2)

4(8 x 9 ÷2)

4(36)=144

add the surface area of the square base and lateral faces

64+144=208

You might be interested in

Noon to 3:05 elapsed time

GrogVix [38]

Noon is 12, I'm guessing you mean both of these at am, or both at pm. 12-3 is 3 hours, but there's 5 extra, so the elapsed time would be 3:05.

6 0

3 years ago

13/20 as a percent and 7/25 as a percent to no need to show work just need the straight up percent

Ivahew [28]

13/20 = 65%
7/25 = 28%

4 0

3 years ago

If y represents a number, write an expression that represents the sum of y and a number one greater than y

Dimas [21]

Answer:

2y+1=0

Step-by-step explanation:

a number one greater than y is y+1

so sum of y and y+1= 2y+1

3 0

4 years ago

Read 2 more answers

A number, truncated to 1 dp, is equal to 11.9, what are the upper and lower bounds

Rom4ik [11]

I think the answer would be 11.85 11.94

6 0

3 years ago

6 ones 453 thousandths + 4 hundredths =

Gre4nikov [31]

Answer:

your answer is 463

Step-by-step explanation:

Hope this help you

have a great thanksgiving

8 0

3 years ago