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Jobisdone [24]
3 years ago
12

In triangular shape how many angles are greater than a right angle

Mathematics
2 answers:
boyakko [2]3 years ago
5 0
A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices A, B, and C is denoted. In Euclidean geometry any three points, when non-collinear, determine a unique triangle and a unique plane. This article is about triangles in Euclidean geometry except where otherwise noted
frez [133]3 years ago
4 0
I would say 89 because there are 89 more degrees past 90 dedrees that can still be a triangle, but it stops at 179 degrees since 180 is a line and has no angle

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Which expression represents the following situation?
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4 years ago
An open box is to be made from a rectangular piece of tin by cutting 3-inch squares out of the corners and folding up the sides.
slava [35]

Answer:

Width of the Rectangular Tin=8 inch

Length of the Rectangular Tin= 16 inch

Step-by-step explanation:

Let the Width of the Rectangle=W

The length of the piece of tin is twice the width, Length = 2W

Since Squares of 3 inch are cut from all four corners of the rectangle

Length of the box = 2W-(3+3)=(2W-6) inches

Breadth of the Box = W-(3+3)=(W-6) inches

Height = 3 inches

Volume of the box = 60 cubic inches

Now, Volume of a cuboid=lbh

3(2W-6)(W-6)=60

Divide both sides by 3

(2W-6)(W-6)=20

Expanding the brackets

(2W-6)(W-6)=20\\2W^2-12W-6W+36=20\\2W^2-18W+36-20=0\\2W^2-18W+16=0

Factorizing

2W^2-16W-2W+16=0\\2W(W-8)-2(W-8)=0\\(W-8)(2W-2)=0\\W-8=0 ,  2W-2=0\\W=8,  1

Since the Width cannot be less than 6,

Width of the Rectangular Tin=8 inch

Length= 2 X 8 = 16 inch

5 0
3 years ago
[15 POINTS] Please help me!
kari74 [83]
Hello i don't know the answer
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3 years ago
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3 years ago
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3 6/12 + 3 9/12. ..
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Answer:

7

Step-by-step explanation:

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3 years ago
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