4 years ago

Geometry help with number 18!

1 answer:

4 0

BE is parallel to CD, therefore, m∠BEC=m∠ECD, therefore mBC=mDE
BE is the diameter, so Arc BE is 180 degree
mBC+mCD+mDE=180
replace mCD with 3mBC, and replace mDE with mBC: mBC+3mBC+mBC=180
5mBC=180
mBC=180/5=36
mCD=3mBC=3*36=108
the inscirbed angle m∠ECD= the measure of arc DE=36

You might be interested in

Is 2/3 bigger than 3/5

alina1380 [7]

2/3 is greater than 3/5 because if you cross multiply, you'll get 10 on left side and 9 on the right, which means 3/5 is less than 2/3.

8 0

4 years ago

Read 2 more answers

Max earns $8.50 per hour working at this father’s shop. Last week he earned $136. Which equation would determine the number of h

Orlov [11]

Answer: 8.50h = 136 or 8.50 x h = 136

Step-by-step explanation:

However many hours he worked times how much he makeshifts per hour (8.50) would be like that . 8.50 x 16(h)= 136