Which of the following set of measurement show an obtuse triangle?
A. ∠a = 43°; ∠b = 56°; ∠c = 81°
B. ∠a = 30°; ∠b = 120°; ∠c = 30°
C. ∠a = 60°; ∠b = 60°; ∠c = 60°
D. ∠a = 40°; ∠b = 50°; ∠c = 90°
A. ∠a = 43°; ∠b = 56°; ∠c = 81°
B. ∠a = 30°; ∠b = 120°; ∠c = 30°
C. ∠a = 60°; ∠b = 60°; ∠c = 60°
D. ∠a = 40°; ∠b = 50°; ∠c = 90°
Add an Answer
More Questions From This User See All
Answers & Comments
Answer:
B. <b=120°;
Step-by-step explanation:
100 above is obtuse
90 below is acute
90 is right
cause 90 is the main lead of the protractor so its called right
sorry i only gets letter B.