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max2010maxim [7]
3 years ago
13

Plzzzzzz Um can someone Please help me I really need help with this

Mathematics
2 answers:
Aleks04 [339]3 years ago
8 0

Answer:

265

Step-by-step explanation:

a2 + b2 = c2

12^2+11^2 = c2

144 + 121 = c2

265 = c2

Your answer is 265 :)

~PumpkinSpice1♥

Sindrei [870]3 years ago
8 0

Answer:

C. x=16.28

Step-by-step explanation:

  1. Use the Pythagorean Theorem: a^{2} +b^{2} =c^{2} where a and b are the legs of the triangle and c is the hypotenuse.
  2. a=12 and b=11, so we are solving for c=x.
  3. 12^{2} +11^{2} =x^{2}
  4. 144+121=265=x^{2}
  5. x=\sqrt{265}=16.28

Hope this helps!

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A square pyramid has 1 square base and 4 triangular faces. Find its surface area. A. The area of the base is ________ square cen
Vanyuwa [196]

Answer:

See Explanation

Step-by-step explanation:

I will answer this question with the attached square pyramid

From the attached pyramid, we have:

Base\ Length = 20m

So, the base area is:

Area = Length * Length

A_1= 20m*20m

A_1= 400m^2

The dimension of each of the 4 triangles is:

Height = 16.4m

Base = 20m

So, the area of 4 triangles is:

Area = 4 * 0.5 * Base * Height

A_2 = 4 * 0.5 * 20m * 16.4m

A_2 = 656m^2

So, the surface area is:

Area = A_1 + A_2

Area = 400m^2 + 656m^2

Area = 1056m^2

5 0
3 years ago
Find the volume of a pyramid with a square base, where the area of the base is
never [62]

Answer:

V=60.28\ cm^3

Step-by-step explanation:

Given that,

The area of the base = 13.2 cm²

The height of the pyramid = 13.7 cm

We need to find the volume of this pyramid. The formula can be given by :

V=\dfrac{1}{3}Bh

Put all the values,

V=\dfrac{1}{3}\times 13.2\times 13.7\\\\V=60.28\ cm^3

So, the volume of the pyramid is equal to 60.28\ cm^3.

4 0
3 years ago
Help me pls thank you
grigory [225]

Answer:

9.8

Step-by-step explanation:

Using angle bisector theorem,

\frac{16.7}{7.7}=\frac{x}{4.5}

multiplying both sides by 1.5, the answer is approximately 9.8.

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Step-by-step explanation:

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