Answer: The missing angle is 13°
Step-by-step explanation:
Let ∠B
be the missing angle.
Let ∠A
be the angle that measures
77∘Let ∠C
the right angle that measures
90∘
The following is true of all triangles:
∠A+∠B+∠C=180∘
Express the above equation as
∠B
in terms of the other angles:
∠B=180∘−∠A−∠C
Substitute the values for ∠A and ∠C
∠B=180∘−77∘−90∘
∠B=13∘
Answer:
Hmmm What about the pair of skew lines lol
Step-by-step explanation:
Could you add more details/options !!!!
-I'd be glad to help <3 !!!!
Wheres the graph so that i can help
Answer:
58 sq in
Step-by-step explanation:
You need to cut the drawing into pieces in your mind first. Starting at the bottom, the triangle's area is 1/2bh, so it is 1/2 x 8 x 6 = 24 sq in.
Now I would cut the top triangle off, and do 1/2bh, and the height is 3 as you can tell from the right measurement of 8 minus the left measurement of 5.
1/2 x 3 x 6 = 9 sq in.
Now you have a trapezoid left. It's area is (b1 + b2)/2 x h. Base 1 (the top) is 6 and base 2 (the bottom) is 4. 6 + 4 / 2 = 5. 5 x 5 = 25 sq in.
Now just add them up: 24 + 9 + 25 = 58 sq in.
