Answer:
60
Step-by-step explanation:
28 : 7 : : x : 15
28 / 7 = x / 15
4 = x / 15
x = 4 * 15
x = 60
Answer:
Step-by-step explanation:
Answer:
4588 [in²].
Step-by-step explanation:
1) the given octagon can be imagined as 8 triangles (see the attachment). In order to calculate the required area of the octagon, it is enough to calculate the area of one triangle then increase it 8 times:
2) area of one triangle is:
37*31/2 [in²].
3) the required area of the octagon is:
31*37*8/2=31*37*4=4588 [in²].
Answer:
x is 6
Step-by-step explanation:
x is 1/4 of y. so divide 24 by 4 and get 6