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lana [24]
2 years ago
10

Find the value of x pls help

Mathematics
1 answer:
bogdanovich [222]2 years ago
5 0

Answer: 90 degrees

Step-by-step explanation:

It is a right angle which means it is 90 degrees. Plz mark me brainliest

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3 years ago
The base of the pyramid is a square what is the surface area if the pyramids height is 4 feet in the area of the base is 36 ft.?
KATRIN_1 [288]

Answer:

96 ft²

Step-by-step explanation:

The general formula for the surface area of a pyramid is:  

SA = \frac{1}{2}pl + B, were p = the perimeter of the base, l = the slant height and B = the area of the base

Since the area of the base is 36 ft², then each side is √36, or 6 ft. The perimeter is the sum of all the sides, so 6 x 4 = 24 ft.

Given the overall height of the pyramid is 4 feet, you can use the Pythagorean Theorem (a² + b² = c²) to find the slant height (hypotenuse) of the pyramid.  Using 3 feet for 'a' and 4 feet for 'b':

3² + 4² = c² or 9 + 16 = 25

25 = c² or c = 5

SA =  \frac{1}{2}(24)(5) + 36

SA = 60 + 36 = 96 ft²

8 0
3 years ago
What is the least common multiple of 3 and 9
Tju [1.3M]

LCM(3, 9) = 9

because 9 = 3 × 3

5 0
3 years ago
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Quadrilateral CDEF is similar to quadrilateral GHIJ. Find the measure of side JG.
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Answer: 30.5

Step-by-step explanation:

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2 years ago
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