The bottom of a triangle warning sign is 1.8 meters and the height is 1.5 meters. What's the area of this warning sign?

1.8 × 1.5 △ 2 = 1.35 square meters. A: the area of this warning sign is 1.35 square meters

The area of a triangle signboard is 16.2 DM & sup2;, and the bottom is 7.2 mm. How many decimeters is the height of this signboard

Set the height to x decimeters
7.2x÷2=16.2
7.2x=32.4
x=4.5
A: the height is 4.5 decimeters

The bottom of a triangle warning sign is 1.8 meters and the height is 1.5 meters. What's the area of this warning sign?

1.8 × 1.5 △ 2 = 1.35 square meters. A: the area of this warning sign is 1.35 square meters

The symbol of a hand in the middle of a triangle,

Is there a slash or fork in the middle
No, on the contrary, press here or push here
If the hand looks like a glove, it means to wear gloves

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