Answer: 280 cm
Step-by-step explanation:
The base of each of the congruent triangles ABD and CBD is BD= 28 cm. The height of each is the perpendicular 10cm.
A=(2)(bh/2) works out to A= bh since the 2/2 cancel
So 10cm × 28cm = 280cm²
Answer:
The first one. The square is bc the diamond is actually a square just switching it's placement. SO IT OS THE FIRST ONE
Answer:
1/5
Step-by-step explanation:
8/20 divided by 4 equals 1/5
Answer:
x>53.2
Step-by-step explanation:
Answer:
m = -1
Step-by-step explanation:
Formula we'll use: 
m = slope.
y2 = -4
x2 = -5
y1 = 6
x1 = 5
<u>Substitute -4, -5, 6, 5 into the formula:</u>
<u />
<u>Subtract both top and bottom:</u>
m = -10/-10
m = -1
