Answer:
20 points
Step-by-step explanation:
He had 10 correct making him earn 30 points
He had 5 wrong lossing 10 points
He didn't answer 10 lossing no point
So 30-10=20
Answer:
m<K, m<J, m<I
Step-by-step explanation:
The size of angles and sides correspond. The larger the side, the larger the angle must be. So, this means the largest angle will be directly across from the longest side. Since <K is across from the smallest side, it is the smallest angle. Additionally, <I is across from the longest side so it is the largest.
Answer:
69
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
while both 1 and 4 equal 7.1111111, 2 and 3 are completely something different
Answer:
b = 2S/n - a.
Step-by-step explanation:
S=n/2(a + b)
a + b = S / n/2
a + b = 2S/n
b = 2S/n - a.