Answer:
side length and perimeter of 1 face
area of 1 face and surface area
Step-by-step explanation:
Just did it
Using the Sine Rule:-
20 /sin 45 = BC / sin 30
BC = 20 sin 30 / sin45
= 20 * 1/2 / 1 / sqrt2
= 20 * 1/2 * sqrt2
= 10 sqrt2 answer
Answer:
x = -200
Step-by-step explanation:
x + 75 = -125
Subtract 75 from both sides;
x = -200
The answer is 4/14109 or 0.00028350 as a decimal
