Answer:
The missing coordinate is 5
Step-by-step explanation:
243 in.²
A = bh
⇒ A = 13.5 × 18 = 243
The prime factors of 15 are: 1,3,5,15
The prime factors of 21 are: 1,3,7,21
The prime factors of 38 are: 1,3,13,39
The prime factor of 42 is : 1,2,3,6,7,14,21,42