3 years ago

Find the Area of the figure below, composed of a rectangle and a semicircle. The

Mathematics

2 answers:

-BARSIC- [3]3 years ago

8 0

Answer is : 72+4.5 pi=86.1372

Goshia [24]3 years ago

6 0

The answer is 72+4.5 pi= 86.1372

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olga2289 [7]

A straight line equals 180 degrees, so the 3 angles in the picture need to equal 180.

X + 90 + 25 = 180

x +115 = 180

Subtract 115 from both sides:

x = 65

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3 years ago

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How much space does the triangle cover? Triangle with a base of 4 cm and a height of 12 cm Group of answer choices

aleksley [76]

Answer:

24 square centimeters

Step-by-step explanation:

How much space does the triangle cover? Triangle with a base of 4 cm and a height of 12 cm

We are to find the area of the triangle

Area of the Triangle = 1/2 × Base × Height

= 1/2 × 4 × 12

= 24 square centimeters.

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3 years ago

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3 years ago

Help with #9 please?

nekit [7.7K]

We're given a parabola

$y=x^2-4$

and a line

$y = 2x+b$

The zeros of the parabola are

$0=x^2-4$

$4=x^2$

$x=\pm 2$

We see that (-2,0) is on the line as well:

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Choice D

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3 years ago

A cereal box is 8 inches by 2 inches by 12 inches. Its surface area is<br> square inches.

motikmotik

Answer:

272

Step-by-step explanation:

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3 years ago