X is the number, therefore;
x+50% of x=210
50%=50/100=0.5
We can suggest this equation:
x+0.5x=210
1.5x=210
x=210/1.5
x=140
Asnwer: the number would be 140.
Answer:
Step-by-step explanation:
Answer:
a. 44 cm b. 126 cm
Step-by-step explanation:
a. it is semi circle
perimeter is πd
22/7*14
44 cm
b. it is equilateral triangle
so perimeter is side* 3
42 *3 = 126cm