1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
serious [3.7K]
3 years ago
15

Find the surface area of the regular pyramid shown to the nearest whole number. Thank you.

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
7 0
4 x 4 = 16

4 x 7 = 28 * 2 = 56

56 + 16 = 72 ft^2
 answer is A



You might be interested in
The O'Brien's are building a rectangular deck around the outside of their circular pool.
Lera25 [3.4K]

A:

Width of the deck = 2x+3 units

Length of the deck = 5x+6 units

So area of rectangular deck = Length * width

= (5x+6)(2x+3)

Area = 10x^{2}+15x+12x+18

Area= 10x^{2}+27x+18 units square

As mentioned in part B, the area of the pool is 3x^{2}+7x+6 so the combined area of the deck and pool is

Area = area of rectangular deck + area of pool

= 13x^{2}+34x+24 unit square


B:

The area of only the deck is 10x^{2}+27x+18 unit square



5 0
3 years ago
If angle U = 8x + 9 degrees, and angle W = 8x - 5 degrees, then the measure of angle U is ___ degrees.
PolarNik [594]

Answer:

m<U = 97^{o}

Step-by-step explanation:

From the given question, it can be observed that angles U and W are supplementary. These are angles that add up to 180^{o}.

So that;

<U + <W = 180^{o}

(8x + 9) + (8x - 5) = 180^{o}

16x + 4 = 180^{o}

16x = 180^{o} - 4

16 x = 176

x = \frac{176}{16}

  = 11^{o}

The measure of angle U = (8x + 9)

                                        = 8(11) + 9

                                        = 88 + 9

                                        = 97^{o}

Thus, the measure of angle U is 97^{o}.

8 0
3 years ago
1. Identify a pair of alternate exterior angles.
KonstantinChe [14]

Answer:

d. ∠2 and ∠6

Step-by-step explanation:

Definition : Alternate Exterior Angles are a pair of angles on the outer side of each of those two parallel lines but on opposite sides of the transversal.

Option a. ∠3 and∠4

These angles are interior angles.

Option b . ∠1 and∠2

These angles are linear pair.

Option c . ∠1 and ∠6

These angles are outer angles

Option d . ∠2 and ∠6

According to the definition of alternate evterior angles . ∠2 and ∠6 are alternate exterior angles

Hence Option d is pair of alternate exterior angles.

4 0
3 years ago
Write 40673 to the nearest thousand.​
oee [108]

Answer:

50000

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Katherine wants to prove that the measures of the interior angles of a triangle have a sum of 180. She draws a triangle and exte
Oliga [24]

Answer:

As we know, if we add up the interior and exterior angles of one corner of a triangle, we always get 180. the exterior angle in question is equal to the sum of the other two angles in the triangle

8 0
3 years ago
Other questions:
  • The number of chorus students increase by a factor of 1.2 from the previous year. Write 1.2 as a percent
    9·2 answers
  • Increase £2 by fifty percent.(Show working out)
    11·2 answers
  • Help please, 20 points!
    14·1 answer
  • Mario opens a store credit card when he purchases new carpeting. The interest rate is 20.45%. He charges $3,240 to the card, and
    6·1 answer
  • If it is on sale for 20% OFF and the sale price is $68; what was the original price?
    11·2 answers
  • a new car is purchased for $17,900 the value of the car depreciates at 13% per year what will the value of the car be to the nea
    14·1 answer
  • What is the measure of &lt; PSQ in degrees?
    12·1 answer
  • What is the equation in standard form of the line y=1/9 x +5?
    12·1 answer
  • SOMEONE PLEASE HELP this is worth 20 points
    13·2 answers
  • Can anyone help me with this <br><br> Fnd the value of x.<br><br> x = ?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!