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2 years ago

An angle that measures exactly 180° is known as a/an _____ angle

Mathematics

1 answer:

Irina18 [472]2 years ago

6 0

Answer:

An angle that measures exactly 180° is known as a <u>straight</u> angle

Step-by-step explanation:

A straight angle is basically just a line. It is equal to two right angles (which are 90 degrees) and it is also half of a circle.

I hope this was helpful! If you need any more information on straight angles or any other angles, let me know! Have a lovely day! :)

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Find the area of a traingle given that the base is 19.5cm and height is 8 4/5cm.

Phoenix [80]

Answer:

85.6cm

Step-by-step explanation:

Area of a triangle =1/2*b*h

Where base=19.5cm while the height is 8 4/5 = 8.8

Area = 1/2 * 19.5cm * 8.8cm

Area = 171.6cm/2

Area=85.6cm

3 0

3 years ago

Thomas rode his bike 6 3/4 miles to the museum. Write 6 3/4 as a decimal.

Ray Of Light [21]

Answer:

6.75

Step-by-step explanation:

3/4= 0.75, 6+ 0.75= 6.75

1/4= 0.25, 1/4x3=0.25x3 or 0.25+0.25+0.25= 0.75

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2 years ago

What is 4 copies of 1/5

GarryVolchara [31]

Answer:

1/5 + 1/5 + 1/5 + 1/5 = 4/5

Step-by-step explanation:

6 0

3 years ago

Please help I’m stuck.

Sholpan [36]

What are you stuck on ??????

7 0

3 years ago

PLZZZ HELP ASAP!!!!!!!

patriot [66]

Answer:

2. y = x + 16; 0.21y = 0.27x + 2.88

Step-by-step explanation:

You have two conditions:

Volume of 18 % + volume of 27 % = volume of 21 %
Mass of acid in 18 % + mass of acid in 27% = mass of acid in 21 %

For the first condition,

16 + x = y Transpose

(1) y = x + 16

=====

For the second condition

V₁c₁ + V₂c₂ = V₃c₃

16×0.18 + 0.27x = 0.21y

2.88 + 0.27x = 0.21y Transpose

(2) 0.21y = 0.27x + 2.88

The system of equations is y = x + 16; 0.21y = 0.27x + 2.88

4 0

3 years ago

An angle that measures exactly 180° is known as a/an _____ angle​

An angle that measures exactly 180° is known as a/an _____ angle