<span>If the triangle has an obtuse angle (>90 degrees), it can be classified as an obtuse triangle Not sure where the 42 inches is used Hope this helps</span>
Treat this as an ordinary linear equation. Try to isolate x, as some value. Also remember the basic rules of inequalities: If you're dividing, or multiplying, by a negative, you flip the inequality.
Answer:
The missing number is 1000
Step-by-step explanation:
0.037 × ? = 37
Divide both sides by 0.037.

Expand
by multiplying both the numerator and the denominator by 1000.

Divide 37000 by 37 to get 1000.

Hope it helps and have a great day! =D
~sunshine~