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

RELATED INFORMATIONS

1. It is known that, as shown in the figure, CD is the tangent of ⊙ o, C is the tangent point, and the extension line of diameter AB intersects CD at D, connecting OC and BC. (1) write three different types of conclusions; (2) if BD = ob, prove: CA = CD
2. As shown in the figure, P is in ∠ AOB, and points m and N are the symmetrical points of point P about OA and ob respectively. If Mn = 10cm, calculate the perimeter of triangle PEF
3. In the parallelogram ABCD, ∠ Abe = ∠ CDF, it is proved that the quadrilateral BEDF is a parallelogram
4. Shanghai high school mathematics other inequality solution problem set in turn recorded as a and B, the value range of the real number The solution sets of inequality │ X - (a + 1) & sup2 / 2 │≤ (A-1) & sup2 / 2 and X & sup2; - 3 (a + 1) x + 2 (3a + 1) ≤ 0 are denoted as a and B in turn, so that a is included in the value range of real number a of B
5. Let P1 [2,3] P2 [- 1,4] and the extension line of P on p1p2 be the | vector p1p | = 2 | vector PP2 |
6. If x and y are opposite to each other, then x + 2y-4 = 0=______ ，y=______ ．
7. In s-abc, the size of SA and BC is equal to____ ,
8. Given (quadratic power of a + quadratic power of B) * (quadratic power of a + quadratic power of B-8) + 16 = 0, find the value of (quadratic power of a + quadratic power of B)
9. Given the set a = {X & sup2;, x, XY}, B = {1, x, y}, and a = B, find the values of real numbers x and y
10. Given a + B = 4, A-B = - 3, find the value of negative half a & # 178; + Half B & # 178
11. Only two of the prime numbers are even, and the rest are odd nothing
12. A triangle is 150 meters long at the bottom, and the ratio of the bottom to the height is 6:5. How many square meters is the area of the triangle?
13. The volume of a cylinder is 157 cubic centimeter. The area of the base of a cone is 6.28 square centimeter, and the height of a cone is () centimeter
14. Note that the domain of function y = √ 1-lg (x-1) is set a, and the domain of function y = √ 3 * 3-x-3 is set B. find a ∩ B
15. (a+b)(a2-ab+b2)-(a+b)2 (a + b) (a ^ 2-AB + B62) - (a + b) ^ 2 to simplify this formula, the answer is - 3A ^ 2b-3ab ^ 2, but how do you get it,
16. It is known that ABC, ad and be are the heights of BC and AC sides respectively, the extension lines of EB and ad intersect at h, and AC = BH. Please prove that ad = BD
17. The ratio of 5:12 to 20
18. The area of a circle is 6.28 square meters, and its circumference is 6.28 square meters
19. Is it true that the square of x plus one is greater than or equal to zero? 1: X is equal to any number. 2: according to the steps of solving the problem, the equation does not hold
20. In triangle ABC, if a = 9, B = 10, C = 12, then the shape of triangle ABC is? Ask the people who will teach... Be grateful