juliopejfuhrf2338
01.04.2020 •
Mathematics
What is the measure of Angle c? . 42° 48° 90° 180°
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Ответ:
90 degrees.
Step-by-step explanation:
Well, to solve the question, you can visualize a circle with all the lines inside of it. A circle has 360 degrees. To get angle C, you would add up the rest of the angles, and subtract them from 360 degrees.
360 - (48 + 42 + 90 + 48 + 42) = 360 - (90 + 90 + 90) = 360 - 270 = 90.
So, Angle C is 90 degrees.
Hope this helps!
Ответ:
The mass of the rock is 3020.27 grams , if a rock is in the shape of a sphere with a radius of 5.08 centimeters and the rock has a density of 5.5 grams per cubic centimeter,
Step-by-step explanation:
The given is,
Radius of the rock is 5.08 cm (Sphere)
Density of rock 5.5 grams per cubic centimeters
Step:1
Formula for volume of sphere,
Where, r - Radius of sphere
From the given values,
r = 5.08 cm
Equation (1) becomes,
V = 549.14 cubic centimeters
Step:2
Mass of rock = Volume of rock × Density of rock
= 549.14 × 5.5 ( ∵
)
= 3020.27 grams
Mass of the rock = 3020.27 grams
Result:
The mass of the rock is 3020.27 grams , if a rock is in the shape of a sphere with a radius of 5.08 centimeters and the rock has a density of 5.5 grams per cubic centimeter,