The total surface area of a cone of slant height 1cm and base radius rcm is 224πcm, if r:1=2:5 find a. correct to one decimal place, the value of r
b. correct to the nearest whole number, the value of the cone. (take π 22/7​

Use the spider tool located on page 1 of this activity to draw a 12-pointed star for the new logo. (hint: if the spider rotates 360 degrees -- or 720 degrees or 1080 degrees -- she will be facing in the same direction in which she started. when the spider is done drawing, you want her to be facing in the same direction in which she started. she'll be making 12 rotations, all the same size, so each rotation must be some multiple of 360/12 = 30 degrees.) urgently. been stuck on this problem for around 45 minutes now.! it should be easy if you're smart enough

Kerion has a beaded necklace business. she can make 12 necklaces is 2 hours. how long will it take her to make 9 necklaces?

What is 10+10+20 about the origin the square root of a triangle.