All categories

3 years ago

The solid shown has a volume of 9 units3. Determine the surface area of the solid.

Mathematics

1 answer:

nlexa [21]3 years ago

8 0

Answer:

C) 38 units2

Step-by-step explanation:

we know that

The surface area of the composite figure is equal to the area of all its square faces

Each face area is one square unit

$SA=2(9)+2(4)+2(6)=38\ units^2$

You might be interested in

Can someone help please

Serjik [45]

X=106 with working shown in the photo

3 0

3 years ago

Read 2 more answers

Can anyone help with this?

4vir4ik [10]

SAS is the true answer

6 0

3 years ago

How many different anagrams can you make for the word MATHEMATICS?

Alex73 [517]

Answer:

4989600

Step-by-step explanation:

The given word is MATHEMATICS

Number of letters in the given word is 11

there are 2 M's, 2 A's and 2 T's

the given word is arranged in 11! ways

three letters are repeating, so we divide by repeating occurrences

number of different arrangements = $\frac{11!}{2!2!2!}$

= 4989600

7 0

3 years ago

Find the volume of this cone. Round to the nearest tenth. 10ft 6ft

alexira [117]

Step-by-step explanation:

If radius = 6ft and height = 10 ft

volume of cone= (1/3)*pi*r^2*h

= (1*22*6*6*10)/3*7

(1*22*2*6*10)/7

3960/7

565.714

570ft

<h2>MARK ME AS BRAINLIST</h2>

3 0

2 years ago

Pls answer fast (√3 + √11)² + (√3 - √11)²

Masja [62]

(√3 + √11)² + (√3 - √11)²

(a+b)² = a² + b² + 2ab
( a - b )² = a² + b² - 2ab

Now ,

(√3 + √11)² + (√3 - √11)²

(3 + 11 + 2√3√11)+ (3 +11 - 2√3√11)

14 + 2√33+ 14 - 2√33

14 + 14 = 28

Hence , The value of (√3 + √11)² + (√3 - √11)² is 28 .

6 0

2 years ago

Read 2 more answers