Assuming that you meant m<3, m<2 = 77.
m<2 = x
32 + 71 + x = 180
Because the interior angles of a triangle equal 180, simply add 32, 71, and x, and set it equal to 180. Then, solve for x.
103 + x = 180
x = 77
Hope this helps!! :)
Answer: B , c, E
Step-by-step explanation:
Given that ,
∡J=90° , ∡k=30° , ∡L=60°
In the triangle ΔJKL,
tan ∠L = tan 60°
⇒ JK÷JL= √3
⇒JK = √3JL
Thus, A is incorrect and B is correct
Again,
cos ∠L = cos60° =0.5
⇒JL/KL = 1÷2
⇒ JL = (1÷2)KL
⇒JL×2= KL
⇒ KL=2JL
Hence, F & D are incorrect and C is correct
Earlier we got,
JK = √3.JL
⇒JL=JK÷√3
and JL= (1÷2).KL
So, JK÷√3=(1÷2)KL
⇒JK÷√3×2 = KL
⇒2.JK= √3KL
⇒JK = (√3÷2).KL
hence E is correct
Answer:
u = 12
Step-by-step explanation:
formula : (base x height) / 2
60 x 2= 120
120 / 10 = 12