In a triangle, the three interior angles always add to 180°
m∠B = 180 - 30 - 80 = 70°
<span>D: 70</span>
Step-by-step explanation:
None of these,
a(under root),a, a(square)
this is the correct answer
Answer:
x=1
y=-4
Step-by-step explanation:
- find x by making y to 0
- sub x into equation
- find y
Answer:
12.04
Step-by-step explanation:
Well to solve for the unknown side "c" we need to use the Pythagorean Theorem formula,

We already have a and b which are 8 and 9 so we plug them in.

64 + 81 = c^2
145 = c^2
c = 12.04 rounded to the nearest hundredth.
<em>Thus,</em>
<em>the unknown side is about 12.04.</em>
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<em>Hope this helps :)</em>
Answer:

Step-by-step explanation: