Answer:
The answers are given below.
Step-by-step explanation:
8) A) acute 9) C) acute 10) D) right 11) B) acute
12) A) straight 13) A) acute 14) D) right 15) C) ∠L
16) B) ∠HIG 17) B) ∠DEC 18) B) ∠K 19) C) ∠G
20) C) ∠KLJ
We know that ,
1. when 0° < θ < 90°, θ is acute.
2. when θ = 90° θ is right
3. when 90° < θ < 180°, θ is obtuse
4. when θ = 180° θ is straight
That is 62x9 which is 9x2=18 and 9x60=540 so you then add 540+18=558 chairs
75. As she is going up, 15 stairs have been passed by the escalator moving. When she goes down same thing
Answer: -12
Step-by-step explanation: because -7- 5= -12
