Xét tam giác MNP có góc ngoài tại đỉnh P bằng \(\left(21x+81\right)^o\) ta có:
\(\left(21x+83\right)^o=\left(9x+35\right)^o+\left(10x+50\right)^o\)
\(\Rightarrow21x^o-9x^o-10x^o=35^o+50^o-83^o\)
\(\Rightarrow2x^o=2^o\Rightarrow x=1\)
Vậy............
Chúc bạn học tốt!!!
If two angles are corresponding angles of the parallel lines and their measure are ( 5x - 7) and ( 4x + 3 ) then the measure of the first angles is ?
Angles G and H are complementary. If and
, what is the measure of angle G?
Answer: ..........
Write the film review, using the following cues:
A Film Review:
-What kind the film is : a Disney cartoon film
-What the title of the film is: Atlantis: The lost empire
-Who the film is directed by: Gary Trousdale and Kirk Wise
-Who the main charater is: a scientist named Milo Thatch
-Who the characters are played by: Milo's voice is played by Michael J.Fox
-A short description of the plot the story: A rich man gives Milo a submarine and a team of people to help him find the Lost Empire of Atlantis. After some exciting adventures, Milo and his team find Atlantis. But Atlantis is in trouble. Milo has to save it
-Details of special effects/costumes/music,etc: The music in this film is amazing
-What we think is good or bad about the film: The film is sometimes scary, but it is very exciting
-A recommendation (advice about whether your classmates should watch this film and who will enjoy it): If you like action films and cartoons, you will love Atlantis: The Lost Empire
Answer:
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Câu 9:
Three different positive integers and are such that .
What is the value of ?
Answer:
Câu 10:
Of the numbers 1,2,…,1000, how many numbers are divisible by neither 6 nor 9?
Answer:
Find the measure of angle J if and angle J and K are supplementary.
Answer: .
Thank!
Help me please !!
Find the value of n, if the sum of even positive integers between n2 - n + 1 and n2 + n + 1 is a number between 2500 and 3000
The diagonals of a rectangle enclose an angle of measure . If the perimeter of the rectangle is , what is its area?
A 72,1
B 77,9
C 80,1
D 82
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The diagonals of a rectangle enclose an angle of measure 78o . If the perimeter of the rectangle is 36 , what is its area?
A 72,1
B 77,9
C 80,1
D 82
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