A. Always
These lines<span> are </span>perpendicular<span> since their slopes are negative reciprocals.</span>
Answer: 49
Step-by-step explanation:
HI :)
A confusing question but here's how I got my answer
1/7 is 21 divided by 3, which is 7
So now that we know what one seventh is we can multiply 7 by 7 and we get 49
Hope this helped :)
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Answer:
B. 32 square inches
Step-by-step explanation:
Each of the two triangular faces has an area of ...
A = (1/2)bh = (1//2)(6 in)(4 in) = 12 in²
The lateral surface area is the product of the prism height (0.5 in) and the perimeter of the base.
LA = (0.5 in)(5 in +5 in + 6 in) = 8 in²
So, the total area is the area of the two base and the lateral area:
SA = 2A +LA
SA = 2(12 in²) +8 in² = 32 in²
The surface area of the prism is 32 square inches.
If m∠1 = 60°, then m∠2 = 30°
because they are complementary because perpendicular lines form 90° (right) angles
90 - 60 = 30
