1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ryzh [129]
3 years ago
12

A circle with radius of 9 cm sits inside a circle with radius of 11 cm.

Biology
1 answer:
malfutka [58]3 years ago
3 0

Answer:

125.6

Explanation:

Area of a circle = πr^2

Area of circle 1 = 3.14 × 11 × 11

=379.94cm^2

Area of circle 2= 3.14 × 9 ×9

=254.64cm^2

Area of a shaded region

=379.94cm^2 - 254.64cm^2

=125.60cm^2

You might be interested in
Neutrophils are the most abundant phagocytic cells. how do they differ from other phagocytic cells?
Lynna [10]
<span>Answer: Macrophages- WBC that combat multi-cellular parasites. Neutrophils- most abundant type of WBC which identifies and produces antibodies.</span>
7 0
3 years ago
How are vascular plants and nonvascular plants different?
BigorU [14]
Vascular plants is the phloem, (vessal) that transports food and the xylem transports water. Nomvascular plants are small with no vascular system. Which means non vascular plants do not have a phloem or a xylem.
4 0
3 years ago
Read 2 more answers
HELP PLEASE I WILL MARK BRAINLIEST
natta225 [31]

Answer:

The answer is 0.2

Explanation:

You subtract 8.05 - 7.85 = 0.2

3 0
2 years ago
Ecosystems must have two factors working together in order to function what are those two factors
Blababa [14]

In any ecosystem two factors interact together are abiotic factors and biotic factors. Abiotic factors include non-living such as soil, air, water and climatic factors ( temperature, humidity, rainfall or precipitation) whereas, biotic factors  includes all the flora (plants) and fauna (animals). These two factors interact through food chains to function an ecosystem.





3 0
4 years ago
How does the stem help in meeting the basic needs of a plant
sertanlavr [38]
The stem supports the plant and because of the stem the plant is able to grow taller if needed
4 0
3 years ago
Other questions:
  • If you travel north from the equator, what generally happens to the intensity of ultraviolet (UV) light? Answer
    5·1 answer
  • How does modern evolutionary theory differ from Darwin’s theory proposed in the 19th century?
    9·1 answer
  • Forest decline, like this, is a new phenomenon that is directly related to the activities of man on earth. high altitude defolia
    6·2 answers
  • Which of the following best describes the shape of a DNA molecule?
    12·1 answer
  • Recreational activities can cause an increase in erosion rates.
    8·2 answers
  • Can someone please help with this question
    15·1 answer
  • Which of the following is NOT a feature of ALL
    14·1 answer
  • Select points of the European Food Safety Authority’s outline of concerns regarding transgenic plants.
    10·1 answer
  • A population of birds can have large, heavy beaks or thin, long beaks.
    5·1 answer
  • If a DNA segment has the nucleotides AGCCTAATCGCATATGCC, what would be the nucleotide sequence of the complementary RNA strand?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!