The answer is 19.6 cm^2

you should find the height of the triangle by heron formula: it will be 9.8

so the area is
$(9.8 \times 4 ) \div 2= 39.2 \div 2 = 19.6$

good luck

8 0

3 years ago

Oh lord pls help asap

zepelin [54]

Answer:

1.1(for infinity) or 0.9

Step-by-step explanation:

it depends if you do 90/100 or 100/90

90/100 = 0.9

100/90 = 1.1(for infinity)

so sorry i couldn't figure out specifically what to divide but i hope both of these answers helped you!

4 0

3 years ago

1. Decide if each su a. 4+3

evablogger [386]

Answer:

the sum is 7

Step-by-step explanation:

ik this because i used to be in kindergarten.

4 0

3 years ago