1) To find the surface area of a regular triangular pyramid, we use the formula SA = A + (3/2)bh, where A = the area of the pyramid's base, b = the base of one of the faces, and h = height of one of the faces.

2)Multiply the side length of the base by the slant height and divide by two. Then, multiply by 4. This will give you the lateral surface area of the pyramid. Add the base surface area and the lateral surface area.

4 0

3 years ago

Imagine each letter of the word ""mathematical"" is written on individual pieces of paper and placed in a bag. Should you pick a

Aleksandr-060686 [28]

Answer:

The question has a missing part and here it the complete question:

Imagine each letter of the word “Mathematical” is written on individual pieces of paper and placed in a bag. Should you pick a random letter from that bag, what is the probability that you pick a vowel?

Answer: 5/12

Step-by-step explanation:

The question asks for the probability of picking a vowel.

From the word 'Mathematical', we have a total of 12 letters and a total of 5 vowels (a,e,a,i,a).

Probability of picking a vowel = Total number of times the event(vowel) occurs/total number of possible outcomes(total letters)

$Probability = \frac{5}{12}$

6 0

3 years ago

You need to score a 90 or higher on your next test to make the honor roll. If x represents the score on your next test, which in

Vlad [161]

Answer:

x ≥ 90

Step-by-step explanation:

it says 90 or higher which also means "at least 90", which means greater than or equal to 90.

4 0

3 years ago

What is the area of the shaded region? A. 21mm B. 24 mm C. 42 mm D. 48 mm

castortr0y [4]

Answer:

Can i see a pic of the shaded part?

Step-by-step explanation:

8 0

3 years ago