xuzixin2004
30.07.2019 •
Mathematics
Bc is tangent to circle a at b and to circle d at c. ab= 10 bc= 21 dc= 8 find ad to the nearest tenth
Solved
Show answers
More tips
- H Health and Medicine Sunstroke: Causes, Symptoms, and Precautions...
- F Family and Home Do You Really Need a Playpen for Your Child?...
- F Food and Cooking Do Aphrodisiacs Really Work? Separating Fact from Fiction...
- C Computers and Internet Log-in: what is it and why do you need it?...
- S Style and Beauty Secrets of Tying a Pareo: 5 Ways...
- F Food and Cooking Everything You Need to Know About Pasta...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
Answers on questions: Mathematics
- M Mathematics The length of a rectangular dog park is 50 feet. The width is half the length. Decide if each set of steps could be used to find the perimeter of the dog park. Choose yes or...
- M Mathematics Find the slope of the line. (-1,-1), (-1,-6)...
- M Mathematics Write the equation for this situation: Each package contains 4 boxes. Each box contains a 7-pound bag of beans and a bag of rice. The bags of rice are all identical....
- M Mathematics Sarah makes 7 bracelets that have 6 beads each. Then she makes 3 necklaces with 9 beads each. How many beads dus Sarah use for the bracelets and necklace altogether...
- M Mathematics 3. Find the circumference of a circle that has a diameter of 12. Round to the hundredths. * 38.72 37.70 35.66 22.5...
- M Mathematics 2. How many total degrees are around a polygon? 90 degrees 180 degrees 360 degrees...
- M Mathematics PLEASE I need help!!! look at attachment...
- M Mathematics John went on a shopping spree. He bought $250 of clothing. The sales tax is 6.25%. What is the amount of sales tax John had to pay? Round to the nearest cent...
- M Mathematics Please help me to solve this problem...
- M Mathematics Find the area and the perimeter of a rectangle with sides of 4 1/5 in and 4 2/7 in...
Ответ:
If there are other details, please post.
The distance AD is found by Pythagoras theorem, with
AD=sqrt(BC^2+(AB-DC)^2)=sqrt(21^2+2^2)=sqrt(441+4)=sqrt(445)
=21.095 (to the third decimal place)
Ответ:
S.A. = 1,017.36
Step-by-step explanation:
S.A. =
12 x 12 x 3.14 = 452.16
3.14 x 12 x 15 = 565.2
565.2 + 452.16 = 1,017.36