Make use of the fact that side lengths in similar triangles are proportional.
.. 30/18 = (20 +x)/20
.. 20*(30/18) -20 = x . . . . multiply by 20, subtract 20
.. 33 1/3 -20 = x . . . . . . . . evaluate the product
.. 13 1/3 = x
Answer:
Acute angles are less than 90
obtuse is more than 90
right angles are exactly 90
Step-by-step explanation:
Answer: Unlike Terms
Step-by-step explanation:
Both numbers have one same letter which is n, but both are different because the first 8 has m, and the Second 8 has p. So, they're unlike terms.
Answer:
4,098734
Step-by-step explanation: