What angle does an arc 5.5 cm in length subtend at the center of a circle of a diameter 7cm. Pls its urgent i need it now i tried solving it and i got 45 but in the answer page the answer is 90 pls someone with a God heart should help solve this question in full .God bless u all.

93.8

step-by-step explanation:

lets say, first number = x

second number = 3x+7

total = 49

(x)+(3x+7)= 49

4x+7 = 49

4x = 42

x = 42/4

x= 10.5

x= 10.5

3x+7 = 3(10.5)+7 = 93.8

hope this

he spend 5.1 minutes chatting with his friends.

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5.1

answer: idk

step-by-step explanation:

a and c

step-by-step explanation: