Question

What is the area of this triangle? 13 11 10 12 1a. Find the area a = 5; b =10; c = 8; d = 7, h = 6 1b. Find the area Each square is 1 square cm no 1.

Answer 1

13 11 10 22 c 22 Area of the triangle = I x base x height 22 DABC= f x 12410 220 195 6x10=60 193 Area of a ABC = 190 170 150 1a. a=5, b=10, c=8, d=7, h=6. 130 a=5 90 d=7 90 C=8 15=6 89 b =10 87 61 341 Area of trapezoid (A) = 1 bath) A= £6) ( 5+10) A= 3(15) = 45 (.. A = 45 100000.0

'c 1 3 H 3 F In the figure 12 fig 0 = AABH = Triangle fig @ = B C DH = Tre pizoid wifpg * = DEFH - DEFH = Ractangle. Area of the total figure Area of HigO + react teg@ + area of tige A = Area of SABH & Area of BC DH & Area of DEFH (5 x Bax H)+(4+ (atb) + (lxb) (5x385)+(3) (542) + (3X2) 15 + 32 (8) + 6 15 +3 (4) +6 15+12+6 = 7.5+18 +18 = .. A = 25.5 cm