I think the answer could be D
Answer:
I think the answer may be 0.05.
Step-by-step explanation:
This may be incorrect, but I hope it helps ^-^
9514 1404 393
Answer:
(4)
Step-by-step explanation:
The fact that GH is the perpendicular bisector of EF means EM = FM and all of the angles at M are congruent.
It does not say anything about the relative sizes of HM and GM, so we cannot conclude HM and GM are congruent.
By Cosine Rule:
CosT = (s² + r² - t²) /(2sr)
<span>CosT = (10² + 11² - 7²) /(2*11*10)
</span>
<span>CosT = 172 /220 </span>≈ 0.7818
T = Cos⁻¹(0.7818)
T ≈ 38.57°
T ≈ 38.6°