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blsea [12.9K]
3 years ago
13

Can someone help me? Thank you so much

Mathematics
1 answer:
Lady_Fox [76]3 years ago
7 0
1. Not enough information??
2. SAS
3. ASA
4. HL??
5. SSS
6. AAS
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In the square pyramid shown below, the area of each triangle is 135 square meters and the area of the base is 324 square meters.
stepan [7]
Area of square base = 324 m²

Length of the square side = √324 = 18

The side of the square is the base of the triangle.

Area of triangle = (1/2)*base* height

135 = (1/2)*18* h

135 = 9h

135/9 = h

15 = h

height = 15 m


To get the height of the Pyramid, the height of the Triangle and half the length of the side of the square form a right angled triangle.

Hypotenus = 15
Half length of square = 18/2 = 9
Height of Pyramid = H

By Pythagoras' Theorem:

15² = H² + 9²

225 =H² + 81

 H² + 81 = 225

H²  = 225 - 81

H²  = 144          Take square root of both sides

H  = √144

H = 12

Height = 12 meters.

Option C.
3 0
3 years ago
On a coordinate plane, the coordinates of vertices R and T for a polygon are R(−6, 2) and T(1, 2). What is the length of Side RT
andriy [413]
Answer : 7 units

There are two ways you can solve this problem:

1st way - Subtract the T's x coordinate by r's x coordinate.

1-(-6) = 1+6 = 7

2nd way - Graph the points than count the units between them.

[
I attached a picture, I graphed ur points]


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3 years ago
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What is the equation?<br> 3.7 = 5x + 12.2
cupoosta [38]

Answer:

x= -1.7

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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ANSWER ASAP FOR QUIZ
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You must try to remove one of the unknown variables from the system by multiplying one in a way that when adding (or subtracting) one to another “makes it disappear” and so whatever value you get can be substituted back in to get the other unknown!

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3 years ago
What is a half of 104
Mumz [18]
52 is half of 104.
Is ur answer.
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3 years ago
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