Answer:
m<4=40
Step-by-step explanation:
Supplementary angles form 180 degrees
m<3 is vertical to the 50 degree angle which is equal.
so. m<3=50
m<5=90
90+50=140
180-140=40
m<4=40
Answer:
200
Step-by-step explanation:
So it'll be 400 ÷ 2 = 200 , and a way to to check your way would be 200 x 2 = 400
You add the numbers of all 4 sides.
Answer:
100 km squared
Step-by-step explanation:
Front : 14
Back : 14
Top : 28
Bottom : 28
Side : 8
Side : 8
Surface area : 100 km squared
Hope this helps!