The angle is and acute angle.
Acute: Anything under 90 Degrees
Right: 90 Degrees
Obtuse: Anything Above 90 Degrees
Answer:
- ∠DEF ≅ ∠ABC when BH = EJ, BI = EK, and HI = JK
Step-by-step explanation:
<u>Corresponding segments are:</u>
- BH and ED, BI and EK, HI and JK
Therefore last option is correct
490x + 700y < = 4000 (thats less then or equal)
Answer:
A. 90
B. 38
C. 85
Step-by-step explanation:
Recall that
d/dx sech(x) = - sech(x) tanh(x)
d/dx tan⁻¹(x) = 1/(1 + x²)
Then by the chain rule,
dy/dx = - sech(x) tanh(x) / (1 + x²)