All categories

3 years ago

Find the surface area of the square pyramid below.

Mathematics

2 answers:

sleet_krkn [62]3 years ago

7 0

Answer:

$\displaystyle 762,96\:m.^2 ≈ S.A.$

Step-by-step explanation:

$\displaystyle a^2 + 2a\sqrt{\frac{a^2}{4} + h^2} = S.A. \\ \\ 14^2 + 2[14]\sqrt{\frac{14^2}{4} + 19^2} = S.A. \\ \\ 196 + 28\sqrt{\frac{196}{4} + 361} ≈ 762,9567885 ≈ 762,96$

I am joyous to assist you anytime.

klasskru [66]3 years ago

7 0

The answer is actually 728m^2

You might be interested in

Solve 12x+6>9x+12 please

Inga [223]

Answer:

x > 2 is your answer.

Step-by-step explanation:

Isolate the variable, x. Treat the > sign as an equal sign, what you do to one side, you do to the other.

First, subtract 9x & 6 from both sides.

12x (-9x) + 6 (-6) > 9x (-9x) + 12 (-6)

12x - 9x > 12 - 6

Simplify.

12x - 9x > 12 - 6

3x > 6

Isolate the variable (x). Divide 3 from both sides.

(3x)/3 > (6)/3

x > 6/3

x > 2

x > 2 is your answer.

7 0

4 years ago

Read 2 more answers

Proportion problem<br><br><br><img src="https://tex.z-dn.net/?f=%5Cfrac%7B8%7D%7B9%7D" id="TexFormula1" title="\frac{8}{9}" alt=

kipiarov [429]

Answer: w=66/9

Step-by-step explanation: 8/9=w-2/6

8(6)=9(w-2)

48 =9w-18

48+18=9w

66=9w

w=66/9

or w=7(3/9)

6 0

3 years ago

Read 2 more answers

Beth bought 15 tickets to a movie, where adult tickets cost $6.00 and

mel-nik [20]

Answer:

B. a + s = 15

6a + 4s = 76

Step-by-step explanation:

The two equations you want to write are for the two resources, tickets and dollars. We want to know the numbers of adult and senior tickets, so we assign the variables "a" and "s" to those numbers, respectively. We need to keep the meaning of these variables in mind as we write the equations.

a + s = 15 . . . . the sum of the numbers of tickets is 15 (resource = tickets)

The amount spent for tickets of a given type will be the number of tickets of that type, multiplied by the cost of tickets of that type. Then 6a represents the amount spent on adult tickets ($6 each for "a" number of tickets).

6a +4s = 76 . . . the total amount Beth spent on tickets (resource = dollars)

In summary, the two equations are ...