The angle that is obtuse is 1, because it is greater than 90°.
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Answer:
24 cm
Step-by-step explanation:
since the two triangles are similar,
10cm/20cm = 36cm _ h/h
Answer:
total ground and wall angle is 90°
beam angle with ground= 51
beam angle with wall =39
because total angle=angle with ground + angle with wall
angle with wall=total angle-angle with ground
angle with wall= 90-51=39
Answer:
Step-by-step explanation: the pattern is going positive to negative and going further away from zero so the next term would be -3
