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Lesechka [4]
3 years ago
13

What is triangle angel sum theorem

Mathematics
1 answer:
Flauer [41]3 years ago
3 0

The triangle angle sum theorem states that the 3 angles in the triangle must equal 180 degrees.

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Helpppppp me please ASAP
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Answer:

I believe the answer is :)

Step-by-step explanation:

7 0
3 years ago
What angles of rotational symmetry are there for a regular hexagon?
adell [148]

Answer:

60°, 120°, 180°, 240° and 300°

Step-by-step explanation:

In case of a regular hexagon, there is a set of six movements to complete its one rotation. Now in one rotation, it will complete 360° of its circular motion. Now the formula to calculate the angle of rotation for any shape with equal length of its sides is:

Angle of rotation (Ф) = 360/Total number of sides

In this case, Ф = 360/6

                    Ф = 60

This formula is valid for every shape with equal sides, like in case of pentagon you will have 360/5 to calculate the angle of rotation.

Now in case of hexagon, at rotation of 60°, its rotation is symmetrical, which means rotation will not change its physical appearance, this is the case for next 60° rotation as well, or you can say that for 120° (60° before and 60° afterwards). This suit will follow for all the angles given in the answer section.

8 0
3 years ago
Simpilify the expresssion 2+3i/4+3i
Eddi Din [679]
Multiply the numerator and denominator by 4+5i
=[(2+3i)(4+5i)]/[(4-5i)(4+5i)] 
=[(8-15)+(12+10)i] / [16+25] <span>= [ -7 + 22i ] / [41] 
= (-7/41) + (22/41)i </span>
3 0
4 years ago
Please help I WILL OFFER 20 POINTS! - Keisha, Bob, and Tom sent a total of 132 text messages over their cell phones during the w
stellarik [79]

Answer:

Tom: 132 Bob: 396 Keisha: 139

Step-by-step explanation:

132 x 3

132 + 7

6 0
3 years ago
A man 6 feet tall casts a shadow that is 11 feet long. A building casts a shadow of 139 feet long. The building is tall. Round y
dmitriy555 [2]

Given:

Height of man = 6 ft

Height of man's shadow = 11 feet

Height of building's shadow = 139 feet

To find:

The height of the building.

Solution:

We know that the heights of the objects and there shadows are always proportional.

\dfrac{\text{Height of man}}{\text{Height of man's shadow}}=\dfrac{\text{Height of the building}}{\text{Height of building's shadow}}

Let x be the height of the building.

\dfrac{6}{11}=\dfrac{x}{139}

Multiply both sides by 139.

\dfrac{6}{11}\times 139=x

\dfrac{834}{11}=x

75.8181...=x

x\approx 75.8

Therefore, the building is 75.8 feet long.

8 0
3 years ago
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