Cos theta = base /perp
= sqrt(13)/7
=0.515
The HCF of 4,8 and 20 is 4
The answer can be found by found ride over run so 4/2 or 2/1=2
5 and 3/4 and 3 and 1/2
5 and 3/4 to 3 and 1/2 is the answer
if y ou want to convert it to whole numbers then
5 and 3/4:3 and 1/2
convert mixed numbers to improper fractions
5 and 3/4=23/4
3 and 1/2=7/2
23/4:7/2
multiply both sides by 4 to clear fractions
23:14
answer is the ratio is 23:14
<span>11cm and the hight is 13 what is the surface area</span>