226k views
17 votes
Pls help due soon!!!

Pls help due soon!!!-example-1
User Vanlightly
by
3.9k points

2 Answers

10 votes

Answer:

10m

Explanation:

Area of a triangle:
(1)/(2)bh

where 'b' = base and 'h' = height

plug in known values: 20 =
(4b)/(2)

cross-multiply: 4b = 40

b = 10

User Punpuf
by
4.1k points
5 votes

Answer:

B) 10 m

Explanation:

Area is 20 and Height is 4

Ok so

AREA of a triangle is =1/2Base Times Height

work back

Area=20

Height=4

b=Base

20=1/2b*4

Simplify both sides of the equation.

20=2b

Flip equation

2b=20

Divide both sides by 2

b=10

Base=10 m

User Prakhyat
by
4.0k points