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2 years ago

Find the measure of

Mathematics

2 answers:

Furkat [3]2 years ago

6 0

Answer:

B. 30

Step-by-step explanation:

3x + 2x + x = 180 (angle sum of a triangle is 180)

6x = 180

x = 30

GarryVolchara [31]2 years ago

6 0

Answer:

B. 30

Step-by-step explanation:

3x + 2x + x = 180

6x = 180

x = 180/6

x = 30

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I will give branliest

Evgesh-ka [11]

Step-by-step explanation:

Height of ladder = 12ft .

Here perpendicular is height to which it reaches .

When angle is 30⁰ :-

=> sin 30⁰ = H/12

=> ½ = H/12

=> H = 12/2

=> H = 6m ( ans )

When Angle is 45⁰ :-

=> sin45⁰ = H/12

=> 1/√2 = H/12

=> H = 6*√2*√2/√2

=> H = 6√2 m ( ans )

When angle is 60⁰ :-

=> sin60⁰ = H/12

=> √3/2 = H/12

=> H = 12 *√3/2

=> H = 6√3 ( ans )

hope it helped !

6 0

3 years ago

Will mark brainlyest!!

butalik [34]

Answer:

A = 120 cm^2

Step-by-step explanation:

The formula for surface area of a rectangular prism is:

A = 2(area of the top) + 2(area of the front) + 2(area of one side)

Substituting the values:

A = 2(20) + 2(16) + 2(24)

First, distributing:

A = 40 + 32 + 48

Then adding, giving your final answer

A = 120 cm^2

Hope this helps you :)

6 0

2 years ago

△PQR is rotated 180° about the origin. What is the coordinate for Q' ?

oee [108]

Answer:

Part 1:

Q’ = (2, -3)

Part 2:

R’ = (-3, -4)

Hope this helps!

8 0

3 years ago

Solve the equation. t-12=3

Elis [28]

Answer:

t = 15

Step-by-step explanation:

t - 12 = 3

t = 3 + 12

t = 15

8 0

3 years ago

Read 2 more answers

Simplify 15 - 4(11 - 8). A. 27 B. 3 C. -3 D. 21

motikmotik

Answer:

15-44+32= 3

Step-by-step explanation:

3 0

3 years ago