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3 years ago

What is the surface area of the triangular prism?

Mathematics

2 answers:

Fofino [41]3 years ago

6 0

Answer:

116.33

Step-by-step explanation:

Anestetic [448]3 years ago

3 0

Answer:

136 square units

Step-by-step explanation:

Find all the areas of different shapes then add all together.

6*7=42 (the middle rectangle)

(5*7)*2=70 (two same rectangles on the sides.)

4*0.5*6*2=24(the area of two triangles)

24+42+70=136 square units

Hope this helps you!~ :)

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If sin A = 3/8, find the value of cosec A - sec A.

alexira [117]

Answer:

$\csc A - \sec A = \dfrac 83 + \dfrac{8}{\sqrt{55}}\\\\\csc A - \sec A = \dfrac 83 - \dfrac{8}{\sqrt{55}}$

Step by step explanation:

$\text{Given that,}\\\\~~~~~~\sin A = \dfrac 38 \\\\\implies \sin^2 A = \dfrac 9{64}\\\\\implies 1 - \cos^2 A = \dfrac{9}{64}\\\\\implies \cos ^2 A = 1 - \dfrac 9{64}\\\\\implies \cos^2 A = \dfrac{55}{64}\\\\\implies \cos A =\pm\sqrt{\dfrac{55}{64}}\\ \\\implies \cos A = \pm\dfrac{\sqrt{55}}8\\\\$

$\implies \dfrac 1{\cos A} = \pm\dfrac{8}{\sqrt{55}}$

$\text{Now,}\\\\\csc A - \sec A\\\\=\dfrac{1}{\sin A}- \dfrac{1}{\cos A}\\\\=\dfrac 83 -\left(\pm \dfrac 8{\sqrt {55}} \right)\\ \\\text{Hence,}\\\\\csc A - \sec A = \dfrac 83 + \dfrac{8}{\sqrt{55}}\\\\\csc A - \sec A = \dfrac 83 - \dfrac{8}{\sqrt{55}}$

6 0

2 years ago

What decimal is equivalent to 41 ?<br> 100

BlackZzzverrR [31]

Answer:

In the fraction 41/100, 41 is the numerator and 100 is the denominator, the fraction bar means "divided by". So to convert 41/100 as decimal number we simply divide the numerator by denominator.

When we calculated 41 divided by 100, we found that 41/100 in decimal form is:

41 ÷ 100 = 0.41

Therefore, the decimal equivalent of 41/100 is 0.41

Step-by-step explanation:

Hope it is helpful....

8 0

3 years ago

Read 2 more answers

Question is in the image

Mrac [35]

B is your answer. Just count it. That’s if black goes to blue.

4 0

3 years ago

The triangles shown below must be congruent. A. True or B. False

Leona [35]

A.true
Because congruent angles are exactly the same measure

7 0

3 years ago

Read 2 more answers

I NEED THE ANSWER IN THE NEXT MINUTE

OverLord2011 [107]

Answer:

508.68

*sorry if this is late

Step-by-step explanation:

Divide 36 by 2 to get radius

Multiply 18 by itself to get 324

Multiply 324 by 3.14 to get the area of a circle

Divide it by 2 to get the area of the semi circle

7 0

3 years ago