Answer:
14 cm²
Step-by-step explanation:
Obtuse angle: more than 90° and less than 180°
The formula for the area of an obtuse triangle is the same as that for any triangle:
- area of a triangle = 1/2 x base x height
Therefore, given:
⇒ area = 1/2 x 4 x 7 = 14 cm²
Answer:
x = -9 x = 1/4
Step-by-step explanation:
(x+9)(4x-1)=0
Using the zero product property
x+9=0 4x-1=0
x= -9 4x =1
x = 1/4
No no yes yes
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Answer:
ifk
Step-by-step explanation: