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garri49 [273]
1 year ago
5

Lilly is investigating a quadrilateral. She measures an angle between the diagonals to be 85 degrees. Which of the following sha

pes could the quadrilateral be?
A. Kite
B. Rectangle
C. Rhombus
D.square
Mathematics
1 answer:
Ede4ka [16]1 year ago
8 0

Answer: Rectangle

Step-by-step explanation:

In the other three shapes, diagonals are perpendicular, meaning the angle between them must measure 90 degrees.

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mezya [45]

Answer:

The price of the tv before tax is 410

Step-by-step explanation:

Let x = price of tv before tax

tax = x*  9%

tax = .09x

The total cost is price of tv before tax plus tax

total cost = x + .09x

total cost = 1.09x

446.90 = 1.09x

Divide each side by 1.09

446.90/1.09 = 1.09x/1.09

410 = x

The price of the tv before tax is 410

3 0
2 years ago
Select all the equations that are equivalent to this equation.<br> 1/4 (8X + 56) = 20<br> 56 + 8X = 80<br> 14 = 20 – 8x<br> 2X +
Leya [2.2K]
1/4(8x+56)=20
1/4(8x)+1/4(56)=20
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3 0
2 years ago
If a tree 41.8 feet tall casts a shadow that is 27 feet long, find the height of a tree casting a shadow that is 18.3 feet long
Neko [114]

Answer:

28.3 feet

Step-by-step explanation:

Given a tree 41.8 feet tall casts a shadow that is 27 feet long

So the Tangent of the angle of the sahdow remains the same for the both trees.

We know that  Tanx=\frac{height of the tree}{length of the shadow}

\frac{height of the tree1}{length of the shadow1} = \frac{height of the tree2}{length of the shadow2}

\frac{41.8}{27} =\frac{x}{18.3}

x=\frac{41.8}{27}\times18.3 =28.3

Therefore the height of the tree is 28.3 feet

6 0
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Answer:

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B)

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6 0
2 years ago
How can you use the side lengths of a triangle to determine if it is an acute triangle?
lozanna [386]
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